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Google圖書搜尋
Assessment of the Arctic Grayling Sport Fishery Resources in the Gulkana River During 1986, 1987, and 1988
Kent J. Roth
Marianna Alexandersdottir
出版
Alaska Department of Fish and Game, Division of Sport Fish
, 1990
URL
http://books.google.com.hk/books?id=oS1COgAACAAJ&hl=&source=gbs_api
註釋
Population study of Arctic grayling (Thymallus arcticus) in the Gulkana River near its confluence with the Copper River in southeast Alaska.
