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Effect of athmospheric gas supersaturation caused by dams on salmons and steelhead trout of the Snake and Columbia rivers : a review of the problem and the progress toward a solution, 1974 | Bok | 639.3 Ef Seattle, Wash. : U. S. Department of Commerce. National Oceanic and Athmospheric Administration, 1975. - 3 bl., 111 s. - Språk: Engelsk | | 1975 |