- Safranyik, L. 1995. Bark Beetles.:155-163.
- Amman, G. D., and L. Safranyik. 1985. Insects of lodgepole pine: impacts and control. Pages 107-124 in D. M. Baumgartner, R. G. Krebill, J. T. Arnott, and G. F. Weetman (eds.), Symposium proceedings. Washington State University, Cooperative Extension Service.
- Berryman, A. A., and L. Safranyik. 1980. Proceedings of the second IUFRO conference on dispersal of forest insects: evaluation, theory, management implications. Washington State University, Pullman, Washington. 278 p.
- Dyer, E. D. A., P. M. Hall, and L. Safranyik. 1975. Numbers of Dendroctonus ruflpennis (Kirby) and Thanasimus undatulus Say at pheromone-baited poisoned and unpoisoned trees . Entomological Society of British Columbia, Journal 72:20-22.
- Dyer, E. D. A., and L. Safranyik. 1977. Assessment of the impact of pheromone-baited trees on a spruce beetle population (Coleoptera: Scolytidae) . Canadian Entomologist 109:77-80.
- Linton, D. A., L. Safranyik, H. S. Whitney, and O. J. Spanier. 1984. Possible genetic control of color morphs of spruce beetles . Canada Department of the Environment, Canadian Forestry Service, Research Notes 4:52-53.
- Manning, G. H., L. Safranyik, G. H. V. Sickle, R. B. Smith, W. A. White, and E. Hetherington. 1982. A review of mountain pine beetle problems in Canada. Canada Department of the Environment, Canada Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia. 27 p.
- Moeck, H. A., and L. Safranyik. 1984. Assessment of predator and parasitoid control of bark beetles. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Information Report BC-X-248. 24 p.
- McMullen, L. H., L. Safranyik, and W. W. Nijholt. 1981. Pine oil protects living trees from attack by three bark beetle species, Dendroctonus spp (Coleoptera: Scolytidae). Canadian Entomologist 113:337-340.
- Safranyik, L. 1965. The mountain pine beetle, Dendroctonus ponderosae Hopk. (a) Population studies. Canada Department of Forestry, Forest Entomology and Pathology Branch, Annual Report 1965:124-125.
- Safranyik, L. 1968. Development of a technique for sampling mountain pine beetle populations in lodgepole pine. Unpublished dissertation, University of British Columbia, Vancouver. 195 p.
- Safranyik, L. 1970a. Development of a technique for sampling mountain pine beetle populations in lodgepole pine . Dissertation Abstracts 30B:4192.
- Safranyik, L. 1970b. Evaluating host resistance to bark beetles. Pages 49-51 in Twenty-first annual Western Forest Insect Work Conference, Proceedings, Seattle, Washington, 2-5 March 1970. Canada Department of the Environment, Canadian Forestry Service, Forest Research Laboratory, Victoria, British Columbia. 96 p.
- Safranyik, L. 1970c. Host characteristics, brood density and size of mountain pine beetles emerging from lodgepole pine . Canada Department of Fisheries and Forestry, Canadian Forestry Service, Bi-monthly Research Notes 26:35-36.
- Safranyik, L. 1971. Some characteristics of the spatial arrangement of attacks by the mountain pine beetle, Dendroctonus ponderosae (Coleoptera: Scolytidae) on lodgepole pine . Canadian Entomologist 103:1607-1625.
- Safranyik, L. 1974. Workshop: Insect-host relationships. Pages 77-80 in Twenty-fifth annual Western Forest Insect Work Conference, Proceedings, Salt Lake City, Utah, 5-7 March 1974. Rocky Mountain Forest and Range Experiment Station, Fort Collins, Colorado. 99 p.
- Safranyik, L. 1976a. Climatic barriers and influences on integrated control of Dendroctonus ponderosae Hopkins (Cqleoptera: Scolytidae) in western Canada. Pages 429-438 in R. Z. Callahan and A. Bakke. XVI IUFRO World Congress, Proceedings, 20 June-2 July 1976, Oslo, Norway, Division II.
- Safranyik, L. 1976b. Effects of the beetle on stand dynamics and long term management. Page 25 in Mountain pine beetle workshops: planning and execution. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Publication BC-P-15. 43 p.
- Safranyik, L. 1976c. Hazard and damage appraisal, forecasting. Page 23 in Mountain pine beetle workshops: planning and execution. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Publication BC-P-15. 43 p.
- Safranyik, L. 1976d. Size- and sex-related emergence, and survival in cold storage, of mountain pine beetle adults . Canadian Entomologist 108:209-212.
- Safranyik, L. 1978a. Effects of climate and weather on mountain pine beetle populations. Pages 77-84 in A, A. Berryman, G. D. Amman, R. W. Stark, and D. L. Kibbee (eds.), Theory and practice of mountain pine beetle management in lodgepole pine forests. Symposium, 25-27 April 1978, Pullman, Washington. University of Idaho, College of Forest Resources. 220 p.
- Safranyik, L. 1978b. Spruce beetle mortality in stumps following an operational broadcast burn . Canada Department of Fisheries and Environment, Canadian Forestry Service, Bi-monthly Research Notes 34:7-8.
- Safranyik, L. 1979. Improving trap trees with pheromones and pesticides. Pages 154-158 in D. McComb, Workshop: Efficacy of trap trees in bark beetle control. Pages 148-160 in Thirtieth annual Western Forest Insect Work Conference, Proceedings, Boise, Idaho, 6-8 March 1979. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia. 206 p.
- Safranyik, L. 1980. Review of: A. A. Berryman, G. D. Amman, R. W. Stark, and D. L. Kibbee (eds.), Mountain pine beetle management: theory and practice of mountain pine beetle management in lodgepole pine forests. Wildlife and Range Experiment Station, University of Idaho, Moscow, Idaho. Forest Ecology and Management 3:365-367.
- Safranyik, L. 1981a. Toward integrated control of scolytid bark beetles: needs for future research. Pages 414-422. IUFRO World Congress, Proceedings, Kyoto, Japan, 6-12 September 1981, Division 2, 17. 636 p.
- Safranyik, L. 1981b. Workshop: Components of pest management systems for bark beetles. Page 57 in Thirtysecond annual Western Forest Insect Work Conference, Proceedings, Banff, Alberta, 3-5 March 1981. United States Department of Agriculture, Forest Service, Region 6, Portland, Oregon. 69 p.
- Safranyik, L. 1982a. Alternative solution: preventive management and direct control. Pages 29-32 in D. M. Shrimpton (ed.), Proceedings of the joint Canada-United States workshop on mountain pine beetle related problems in western North America. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Information Report BC-X-230. 87 p.
- Safranyik, L. 1982b. Population biology and management of lodgepole pine. Pages 80-84 in Mountain pine beetle symposium proceedings, Coleman, Alberta, 6-7 February 1981. Canada Department of the Environment, Canadian Forestry Service, and Alberta Energy and Natural Resources.
- Safranyik, L. 1983. The role of the host in population dynamics of forest insects. IUFRO Conference, Proceedings. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia. 239 p.
- Safranyik, L. 1986a. Application and feasibility of alternate control strategies. Pages 104-111 in Mountain pine beetle symposium proceedings, Smithers, B. C, 1985. British Columbia Ministry of Forests, Pest Management Report 7
- Safranyik, L. 1986b. Effect of climatic factors on development, survival, and life cycle of the mountain pine beetle. Pages 14-24 in P. M. Hall and T. F. Maher (eds.), Mountain pine beetle symposium proceedings, Smithers, B. C, 1985. British Columbia Ministry of Forests, Pest Management Report 7.
- Safranyik, L., and K. Graham. 1971. Edgeeffect bias in the sampling of subcortical insects . Canadian Entomologist 103:240-255.
- Safranyik, L., and R. Jahren. 1970a. Emergence patterns of the mountain pine beetle from lodgepole pine . Canada Department of Fisheries and Forestry, Canadian Forestry Service, Bi-monthly Research Notes 2611, 19.
- Safranyik, L., and R. Jahren. 1970b. Host characteristics, brood density and size of mountain pine beetles emerging from lodgepole pine . Canada Department of the Environment, Canadian Forestry Service, Bi-monthly Research Notes 26:35-36.
- Safranyik, L., and D. A. Linton. 1981a. Effect of water sprinkling of spruce logs on bark beetle attack . Canada Department of the Environment, Canadian Forestry Service, Research Notes 2:8-9.
- Safranyik, L., and D. A. Linton. 1981b. Field testing diesel oil for protecting spruce logs from spruce beetle infestations . Canada Department of the Environment, Canadian Forestry Service, Research Notes 1:11-12.
- Safranyik, L., and D. A. Linton. 1981c. Survival and development of mountain pine beetle broods in jack pine bolts from Ontario . Canada Department of the Environment, Canadian Forestry Service, Research Notes 2:17-18.
- Safranyik, L., and D. A. Linton. 1982a. Emergence of Dendroctonus rufipennis (Coleoptera: Scolytidae) from buried logs . Canadian Entomologist 114:539-541.
- Safranyik, L., and D. A. Linton. 1982b. Mortality of spruce beetle broods in bolts submerged in water . Entomological Society of British Columbia, Journal 79:8-11.
- Safranyik, L., and D. A. Linton. 1983. Brood production by three species of Dendroctonus (Coleoptera: Scolytidae) in bolts from host and non-host trees . Entomological Society of British Columbia, Journal 80:10-13.
- Safranyik, L., and D. A. Linton. 1985. The relationship between density of emerged Dendroctonus ponderosae (Coleoptera: Scolytidae) and density of exit holes in lodgepole pine . Canadian Entomologist 117:267-275.
- Safranyik, L., and J. Petty. 1971. 1970 spruce beetle survey of the Crowsnest Forest, Alberta. Canada Department of the Environment, Canadian Forestry Service, Northern Forest Research Centre, Edmonton, Alberta, Internal Report A-41.
- Safranyik, L., J. Petty, and G. J. Smith. 1972. 1971 spruce beetle survey of the Crowsnest Forest, Alberta. Canada Department of the Environment, Canadian Forestry Service, Northern Forest Research Centre, Edmonton, Alberta, Internal Report NOR-11. 12 p.
- Safranyik, L., D. M. Shrimpton, and H. S. Whitney. 1974. Management of lodgepole pine to reduce the losses from the mountain pine beetle. Canada Department of the Environment, Canadian Forestry Service, Forestry Technical Report No. 1. 24 p.
- Safranyik, L., D. M. Shrimpton, and H. S. Whitney. 1975a. An interpretation of the interaction between lodgepole pine, the mountain pine beetle and its associated blue stain fungi in western Canada. Pages 406-428 in D. Baumgartner (ed.), Management of lodgepole pine ecosystems. Washington State Extension Service, Pullman.
- Safranyik, L., D. M. Shrimpton, and H. S. Whitney. 1975b. Mountain pine beetle bibliography. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Report BC-X-126. 69 p.
- Safranyik, L., D. M. Shrimpton, and H. S. Whitney. 1976. Mountain pine beetle workshops: planning and execution. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia, Publication BC-P-15. 43 p.
- Safranyik, L., D. M. Shrimpton, and H. S. Whitney. 1983. The hole of host-pest interaction in the population dynamics of Dendroctonus rufipennis (Kirby) (Coleoptera: Scolytidae). IURFO Symposium Proceedings on Host-Pest Interactions, 24-27 August 1981, Irkutsk, USSR.
- Safranyik, L., G. A. Van Sickle, and G. M. Manning. 1981. Position paper on mountain pine beetle problems with special reference to the Rocky Mountain Parks Region. Canada Department of the Environment, Canadian Forestry Service, Pacific Forest Research Centre, Victoria, British Columbia. 27 p.
- Safranyik, L., and C. Vithayasai. 1971. Some characteristics of the spatial arrangement of attacks by the mountain pine beetle, Dendroctonus ponderosae (Coleoptera: Scolytidae) on lodgepole pine (Appendix) . Canadian Entomologist 103:1623-1625.
- Safranyik, L., and H. S. Whitney. 1980. Using explosives to destroy mountain pine beetle broods in lodgepole pine trees . Entomological Society of British Columbia, Journal 77:3-14.
- Safranyik, L., and H. S. Whitney. 1985. Development and survival of axenically reared mountain pine beetles, Dendroctonus ponderosae (Coleoptera: Scolytidae), at constant temperature . Canadian Entomologist 117:185-192.
- Thomson, A. J., L. Safranyik, D. M. Shrimpton, and H. S. Whitney. 1983. A theory of mountain pine beetle response to weather-induced changes in host resistance. Pages 128-135. Proceedings IUFRO Conference, Banff, Alberta, Canada.
- Whitney, H. S., L. Safranyik, S. J. Muraro, and E. D. A. Dyer. 1978. In defense of the concept of direct control of mountain pine beetle populations in lodgepole pine: some modern approaches. Pages 159-164 in A. A. Berryman, G. D. Amman, R. W. Stark, amd D. L. Kibbee (eds.), Theory and practice of mountain pine beetle management in lodgepole pine forests. Symposium, 25-27 April, Pullman, Washington. University of Idaho, College of Forest Resources. 220 p.
- Amman, G. D., and L. Safranyik. 1985. Insects of lodgepole pine: impacts and control. Pages 107-124 in D. M. Baumgartner, R. G. Krebill, J. T Arnott, and G. F. Weetman, Symposium proceedings. Washington State University, Cooperative Extension Service.
- Linton, D. A., and L. Safranyik. 1988. The spruce beetle, Dendroctonus rufipennis (Kirby): an annotated bibliography 1887-1987. Government of Canada, Canadian Forestry Service, Pacific Forestry Centre, Victoria, British Columbia, Information Report BC-X-298. 39 p.
- Linton, D. A., L. Safranyik, and R. Betts. 1987. Field techniques for rearing and marking mountain pine beetle for use in dispersal studies . Entomological Society of British Columbia, Journal 84:53-57.
- McMullen, L. H., and L. Safranyik. 1985. Some effects of pine oil on mountain pine beetle (Coleoptera: Scolytidae) at different population levels . Entomological Society of British Columbia, Journal 82:29-30.
- McMullen, L. H., L. Safranyik, and D. A. Linton. 1986. Suppression of mountain pine beetle infestations in lodgepole pine forests. Government of Canada, Canadian Forestry Service, Pacific Forestry Centre, Victoria, British Columbia, Information Report BC-X-276. 20 p.
- McMullen, L. H., L. Safranyik, D. A. Linton, and R. Betts. 1988. Survival of self-marked mountain pine beetles emerged from logs dusted with fluorescent powder . Entomological Society of British Columbia, Journal 85:25-28.
- Moeck, H. A., L. Safranyik, C. S. Simmons, and C. M. Lawko. 1985. Ips tridens (Coleoptera: Scolytidae) attracted by ipsdienol plus cis-verbenol . Canadian Entomologist 117:955-960.
- Safranyik, L. 1985a. Infestation incidence and mortality in white spruce stands by Dendroctonus rufipennis Kirby (Coleoptera, Scolytidae) in central British Columbia . Journal of Applied Entomology 99:86-93.
- Safranyik, L. 1985b. The role of the host in the population dynamics of forest insects. IUFRO conference proceedings. Government of Canada, Forestry Service and United States Department of Agriculture, Forest Service. 240 p.
- Safranyik, L. 1985c. The relationship between density of emerged Dendroctonus ponderosae (Coleoptera: Scolytidae) and density of exit holes in lodgepole pine . Canadian Entomologist 117:267-275.
- Safranyik, L. 1988a. Estimating attack and brood totals and densities of the mountain pine beetle in individual lodgepole pine trees . Canadian Entomologist 120:323-331.
- Safranyik, L. 1988b. The population biology of the spruce beetle in western Canada and implications for management. Pages 3-23 in T L. Payne and H. Saarenmaa, Integrated control of scolytid bark beetles. Virginia Polytechnic and State University, Blacksburg, Virginia. 355 p.
- Safranyik, L. 1988c. The role of population biology in development of management guidelines to reduce losses from the spruce beetle Dendroctonus rufipennis in western Canada . International Congress of Entomology, Proceedings 18:412.
- Safranyik, L. 1989b. Mountain pine beetle: biology overview. Pages 9-13 in G. D. Amman, Symposium proceedings: Management of lodgepole pine to minimize losses to the mountain pine beetle. United States Department of Agriculture, Forest Service, Intermountain Research Station, Ogden, Utah, General Technical Report INT-262. 119 p.
- Safranyik, L., and D. A. Linton. 1985. Influence of competition on size, brood production and sex ratio in spruce beetles (Coleoptera: Scolytidae) . Entomological Society of British Columbia, Journal 82:52-56.
- Safranyik, L., and D. A. Linton. 1987a. Line intersect sampling for the density and bark area of logging residue susceptible to the spruce beetle, Dendroctonus rufipennis (Kirby). Government of Canada, Canadian Forestry Service, Pacific Forestry Centre, Victoria, British Columbia, Information Report BC-X-295. 10 p.
- Safranyik, L., and D. A. Linton. 1987b. Patterns of landing of spruce beetles, Dendroctonus rufipennis (Coleoptera: Scolytidae), on baited lethal trap trees . Entomological Society of British Columbia, Journal 84:21-32.
- Safranyik, L., and D. A. Linton. 1988. Distribution of attacks on spruce stumps by the spruce beetle, Dendroctonus rufipennis (Kirby) (Coleoptera: Scolytidae), and effects on the length of egg galleries . Canadian Entomologist 120:85-94.
- Safranyik, L., R. Silversides, L. H. McMullen, and D. A. Linton. 1989. An empirical approach to modeling the local dispersal of the mountain pine beetle (Dendroctonus ponderosae Hopk) (Col, Scolytidae) in relation to source of attraction, wind direction and speed . Journal of Applied Entomology 108:498-511.
- Thomson, A. J., L. Safranyik, D. M. Shrimpton, and H. S. Whitney. 1985. A theory of mountain pine beetle population response to weather-induced changes in host resistance. Pages 128-135 in L. Safranyik, The role of the host in the population dynamics of forest insects. IUFRO conference proceedings, Canada Department of the Environment, Forestry Service and United States Department of Agriculture, Forest Service, Banff, Alberta, Canada, September 1983. 240 p.
- Humphries, N., and L. Safranyik. 1993. Spruce beetle. Natural Resources Canada, Canadian Forestry Service, Pacific and Yukon Region (Victoria, B.C.), Forest Pest Leaflet 13.
- Safranyik, L., H. Barclay, and C. Simmons. 1990. A conceptual model of spruce beetle population dynamics. Forestry Canada, Canadian Forestry Service, Pacific Forestry Centre (Victoria, B.C.), Information Report BC-X-316.
- Safranyik, L., and R. Garbutt. 1993. Spruce beetle. Natural Resources Canada, Canadian Forestry Service, Pacific and Yukon Region (Victoria, B.C.), Forest Pest Leaflet 13.
- Safranyik, L., and D. Linton. 1991. Unseasonably low fall and winter temperatures affecting mountain pine beetle and pine engraver beetle populations and damage in the British Columbia Chilcotin Region . Journal of the Entomological Society of British Columbia 88:17-21.
- Safranyik, L., and D. Linton. 1993. Relationships between catches in flight and emergence traps of the mountain pine beetle, Dendroctonus ponderosae Hopk (Col, Scolytidae). Journal of the Entomological Society of British Columbia 90:53-61.
- Safranyik, L., D. Linton, R. Silversides, and L. McMullen. 1992a. Dispersal of released mountain pine beetles under the canopy of a mature lodgepole pine stand . Journal of Applied Entomology 113:441-450.
- Safranyik, L., T. Shore, D. Linton, and B. Lindgren. 1992b. The effect of verbenone on dispersal and attack of the mountain pine beetle Dendroctonus ponderosae Hopk. (Col., Scolytidae) in a lodgepole pine stand. Journal of Applied Entomology 113: 391-397.
- Shore, T., L. Safranyik, and B. Lindgren. 1992. The response of mountain pine beetle Dendroctonus ponderosae to lodgepole pine trees baited with verbenone and exo-brevicomin . Journal of Chemical Ecology 18:533-541.
- Barclay, H., L. Safranyik, and D. Linton. 1998. Trapping mountain pine beetles Dendroctonus ponderosae (Coleoptera: Scolytidae) using pheromone-baited traps: effects of trapping distance . Journal of the Entomological Society of British Columbia 95:25-31.
- Nevill, R., and L. Safranyik. 1996a. Interaction between the bluestain fungal associates of mountain pine, and pine engraver beetles, (Dendroctonus ponderosae and Ips pini, Coleoptera: Scolytidae) and their effects on the beetles . Journal of the Entomological Society of British Columbia 93:39-47.
- Nevill, R., and L. Safranyik. 1996b. Effects of neem seed extract on the growth of fungal associates of the mountain pine beetle . Journal of the Entomological Society of British Columbia 93:129-130.
- Safranyik, L. 1995. Bark Beetles. Pages 155-163 In J.A. Armstrong and W.G.H. Ives (eds.), Forest Insect Pests in Canada. Natural Resources Canada, Canadian Forest Service, Science and Sustainable Development Directorate, Ottawa. 732 pp. (also in French under title: Insectes forestiers ravageurs au Canada).
- Safranyik, L., and D. Linton. 1998. Mortality of mountain pine beetle larvae, Dendroctonus ponderosae (Coleoptera: Scolytidae) in logs of lodgepole pine (Pinus contorta var latifolia) at constant temperatures . Journal of the Entomological Society of British Columbia 95:81-87.
- Safranyik, L., and D. Linton. 1999. Spruce beetle (Coleoptera: Scolytidae) survival in stumps arid windfalls . The Canadian Entomologist 131:107-113.
- Safranyik, L., D. Linton, and T. Shore. 1999. Emergence of Ips pini and Hylurgops porosus (Coleoptera: Scolytidae) from duff at the base of lodgepole pines (Pinaceae) killed by mountain pine beetle (Coleoptera: Scolytidae) . The Canadian Entomologist 131:825-827.
- Safranyik, L., T. Shore, and D. Linton. 1996. Ipsdienol and lanierone increase Ips pini Say (Coleoptera: Scolytidae) attack and brood density in lodgepole pine infested by mountain pine beetle . The Canadian Entomologist 128:199-207.
- Safranyik, L., T. Shore, and D. Linton. 1998. Effects of baiting lodgepole pines naturally attacked by the mountain pine beetle with Ips pini (Coleoptera: Scolytidae) pheromone on mountain pine beetle brood production . Journal of the Entomological Society of British Columbia 95:95-98.
- Safranyik, L., T. Shore, and D. Linton. 1999. Attack by bark beetles (Coleoptera: Scolytidae) following spacing of mature lodgepole pine (Pinaceae) stands . The Canadian Entomologist 131:671-685.
- Safranyik, L., H. Barclay, A. Thomson, and W. Riel. 1999. A population dynamics model for the mountain pine beetle, Dendroctonus ponderosae Hopk. (Coleoptera: Scolytidae). Natural Resources Canada, Canadian Forestry Service, Pacific Forestry Centre (Victoria, British Columbia), Information Report BC-X-386. 35 pp.
- Safranyik, L., T. Shore, D. Linton, and L. Rankin. 1999. Effects of induced competitive interactions with secondary bark beetle species on the establishment and survival of mountain pine beetle broods in lodgepole pine. Canadian Forestry Service, Pacific Forestry Centre (Victoria, British Columbia), Information Report BC-X-384. 33 pp.
- Safranyik, L., T. Shore, D. Linton, and S. Taylor. 1995. Dispersal of the spruce beetle, Dendroctonus rufipennis Kirby (Col, Scolytidae) from an experimental log deck . Journal of Applied Entomology 119:335-340.
- Shore, T., L. Safranyik, W. Riel, M. Ferguson, and J. Castonguay. 1999. Evaluation of factors affecting tree and stand susceptibility to the Douglas-fir beetle (Coleoptera: Scolytidae) . The Canadian Entomologist 131:831-839.
- Solheim, H., and L. Safranyik. 1997. Pathogenicity to Sitka spruce of Ceratocystis rufipenni and Leptographium abietinum, bluestain fungi associated with the spruce beetle . Canadian Journal of Forest Science 27:1336-1341.