Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Wulf, A., L. Pehl, and K. Brendes. 1993. Anwendungsmoglichkeiten systemischer Insektizide gegen Borkenkäfer—Neue Perspektiven? [New prospects for using systematic insecticide against bark beetles] . Forst und Holz 48:211-214.