Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Schneider, I. 1991. Einige okologische Aspekte der Ambrosiasymbiose [Some ecological aspects of the ambrosia-symbiosis]. Anzeiger für Schädlingskunde, Pflanzenschutz, Umweltschutz 64:41-45.
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