Enger, Eldon D. text iau Dubuque, Iowa W.C. Brown c1988 1988 5th ed. monographic eng

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xv, 580 p., [1] folded leaf of plates : ill. (some col.) ; 26 cm. Eldon D. Enger ... [et al.]. Includes index. Biology QH308.2 .C66 1988 574 0697051226 (pbk.) 87070594 DLC 870302 20170126085101.0 1480150