Beckwith, L. C., J. O. Wolff, and J. C. Zasada. 1977. Bark beetle response to clearcut and shelterwood systems in interior Alaska after whole tree logging. United States Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, Research Note PNW-287. 7 p.
Beckwith et al. 1977
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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