Enrlich, Paul.R. The process of evolution / by Enrlich, Paul.R. ; Holm, Richard.W. ; Pernell, D.R. - 2nd ed. - New York McGrow-Hill 1974 - xv, 378p. ill. 24 cm. ISBN: 0070191336 Subjects--Topical Terms: Evolution (Biology)Genetics Dewey Class. No.: 575 / EHR