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The Effects of Commercial Fishing Through the Ice on a Winter Congregation of Channel Catfish (Ictalurus Punctatus) and Flathead Catfish (Phlodictis Olivaris) in Pool 7 of the Mississippi River

Tim LarsonRichard G. Ranthum

出版	Bureau of Fish Management, Wisconsin Department of Natural Resources, 1977
URL	http://books.google.com.hk/books?id=Uw7Qi5W0DSYC&hl=&source=gbs_api