Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Francke, W., M. L. Pan, W. A. Koenig, K. Mori, P. Paupoomchareon, H. Heuer, and J. P. Vite. 1987. Identification of "pityol" and "grandisol" as pheromone components of the bark beetle, Pityophthorus pityographus . Naturwissenschaften 74:343-345.