Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Sjodin, K., L. M. Schroeder, H. H. Eidmann, T. Norin, and S. Wold. 1989. Attack rates of scolytids and composition of volatile wood constituents in healthy and mechanically weakened pine trees . Scandinavian Journal of Forest Research 4:379-392.