 | International Shrub Symposium (1971 : Utah State University) mn | (1) |
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 | International Shrub Symposium (1971 : Utah State University) mn; Wildland shrubs : their biology and utilization / technical editors: Cyrus M. McKell, James P. Blaisdell, Joe R. Goodin. Ogden, Utah : Intermountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1972. | |
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