 | Hydrology Statistical methods Congresses. | (1) |
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 | Proceedings : Symposium on Statistical Hydrology held at Tucson, Arizona, August 31 - September 2, 1971. Symposium on Statistical Hydrology (1971 : Tucson) 4n Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture, 1974. | |
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