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Nesting Biology of the Spectacled Eider Somateria Fischeri (Brandt) on the Yukon-Kuskokwim Delta, Alaska

Christian P. Dau

出版	University of Alaska, 1974
URL	http://books.google.com.hk/books?id=6WrZSAAACAAJ&hl=&source=gbs_api

註釋

Masters thesis. Results of studies made in 1972 and 1973, the data from which is compared with that from 1969, 1970 and 1971.