Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Smith, R. H. 1966d. Resin quality as a factor in the resistance of pines to bark beetles. Pages 189-196 in H. D. Gerhold, E. J. Schreiner, R. E. McDermott, and J. A. Dinieske (eds.), Breeding pest-resistant trees. Pergamon Press, London.