Research Institute of North Pacific Fisheries, Faculty of Fisheries, Hokkaido University
The Board of Education of Samani City
Hamatonbetsu Branch, Nippon Telegraph and Telephone Corporation
Hakodate City Museum
Tate Elementary School
Nanae Town Office
1994 Volume 26 Issue 2 Pages 140-143
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Journal of the Yamashina Institute for Ornithology
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