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Google圖書搜尋
Target Strength Measurements of Adult Salmon in the Yentna River, Alaska
K. E. Tarbox
Bruce E. King
出版
Alaska Department of Fish and Game, Division of Commercial Fisheries
, 1991
URL
http://books.google.com.hk/books?id=bLRutwAACAAJ&hl=&source=gbs_api
註釋
"The primary purpose ... was to assess whether the Bendix side scan sonar counter counting threshold was set low enough to enumerate all salmon species"--Page 1.