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. 17 No. 4 >
Daily Activities and Social Pattern of two Himalayan Pikas, Ochotona macrotis and O. roylei, Observed at Mt. Everest (With 9 Text-figures and 3 Tables)
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