Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Kangas, E., V. Perttunen, and H. Oksanen. 1967. Studies on the olfactory stimuli guiding the bark beetle Blastophagus piniperda L. (Coleoptera, Scolytidae) to its host tree. Annales Entomologici Fennici 33(3):181-211.
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