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1by Hendricks, David M., 1934-
Published 1985Tucson, Ariz. : College of Agriculture, University of Arizona, 1985.xvi, 244 p., [18] p. of plates (one folded) : ill., maps (some col.) ; 28 cm. -
2by Martin, S. Clark (Samuel Clark), 1916-
Published 1974Washington : U.S. Dept. of Agriculture, 1974.vi, 45 p. : ill. ; 24 cm.