Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Francke, W., V. Heemann, and K. Heyns. 1974a. Fluchtige Inhaltsstoffe von Ambrosiakafern (Coleoptera: Scolytidae). Zeitschrift fur Naturforschung 29c:243-245, 294.
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