Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Wellenstein, G. 1942. Anrengungen und Versuche zur Verbesserung der Borkenkaferbekampfung, I Teil [Efforts made to improve bark beetle control, Pt 1] . Zeitschrift fur Forst- und Jagdwesen 74:337-349.
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