Croker, Robert A., 1946- (Personal Name)

His Pioneer ecologist for North America, 1991: CIP t.p. (Robert A. Croker) pref. (signed: Durham, New Hampshire)

Stephen Forbes and the rise ... 2001: CIP t.p. (Robert A. Croker) pub. info. (prof., Emeritus of Natural Resources, Univ. of New Hampshire; Ph.D. (biology) from Emory; b. 1946)