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Google圖書搜尋
Killer Whales Vs. Salmon
Earle D. Jewell
出版
Washington State Department of Fisheries
, 1965
URL
http://books.google.com.hk/books?id=dTymnQEACAAJ&hl=&source=gbs_api
註釋
This report describes killer whales catching and eating salmon.