Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Science / Faculty of Science >
Journal of the Faculty of Science, Hokkaido University. Series 6, Zoology >
Vol. 19 No. 3 >
Relative Abundance and Phenology of Adult Dragonflies at a Dystrophic Pond in Usubetsu, near Sapporo (With 4 Text-figures and 5 Tables)
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