Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Krawielitzki, S., D. Klimetzek, A. Bakke, J. P. Vite, and K. Mori. 1977. Field and laboratory response of Ips typographus to optically pure pheromonal components . Zeitschrift fur Angewandte Entomologie 83:300-302.
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