Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Agriculture / Faculty of Agriculture >
Insecta matsumurana. New series : journal of the Faculty of Agriculture Hokkaido University, series entomology. >
Vol.17 No.2 >
Zwei Schmarotzerhummel von den Kurilen-Inseln (Systematische Studien der Hummeln, 2)
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