Fish migration and fish passage : a practical guide to solving fish passage problems
Willis A. Evans and Beryl Johnston
Bok Språk ikke angitt 1980
| Utgitt | Washington, D.C. : Forest Service, U.S.D.A. , 1980
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| Omfang | xi, 63, [104] s. : ill.
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| Utgave | Rev. [ed.]
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| Opplysninger | "EM - 7100-12."
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| Emner |
