Variability of mammals = Izmenchivostʹ mlekopitayushchikh / A. V. Yablokov ; rev. by the author for this ed. ; scientific editor of translation, L. Van Valen. Izmenchivostʹ mlekopitai︠u︡schikh. English I︠A︡blokov, A. V. (Alekseĭ Vladimirovich) Smithsonian Institution. National Science Foundation (U.S.) Mammals Variation. Mammals Anatomy. Morphology (Animals) QL739 .I213 599 YAV At head of title: Akademiya Nauk SSSR, Institute Morfologii Zhivotnykh im. A. N. Severtsova. Academy of Sciences, USSR, A. N. Severtsov Institute of Morphology of Animals. Bibliography: p. [305]-350. New Delhi : Published for the Smithsonian Institution and the National Science Foundation, Washington, D.C., by Amerind Pub. Co. ; Springfield, Va. : available from the U.S. Dept. of Commerce, National Technical Information Service, c1974. c1974. 1974 Text xv, 350 p. : eng engrus