Evolutionary history of the primates / Frederick S. Szalay, Eric Delson. Szalay, Frederick S. Delson, Eric, joint author. Primates Evolution. Primates, Fossil. Mammals Evolution. QL737.P9 S92 573 SZE Includes index. Bibliography: p. 525-556. New York : Academic Press, 1979. 1979. 1979 Text xiv, 580 p. : eng