Darlington, C. D. The evolution of genetic systems. - 2d ed. rev. and enl. - New York Basic Books c1958. - x, 265 p. illus. LCCN: 58002487 /L/r85 Subjects--Topical Terms: GeneticsVariation Biology LC Class. No.: QH431 / .D212 1958 Dewey Class. No.: 575.1