00889cam a22002891 4500 8779756 BD-DhUL 20141209083648.0 770805s1939 enka b 000 0 eng 39015696 (OCoLC)3164500 DLC OC OCoLC DLC BD-DhUL premarc QH431 .D212 575.1 DAE Darlington, C. D. (Cyril Dean), 1903- The evolution of genetic systems, by C.D. Darlington ... Cambridge [Eng.] The University Press, 1939. x p., 1 l., 149 p. illus. 22 cm. Cambridge biological studies Bibliography: p. [135]-138. Heredity. Variation (Biology) Genetic systems, The evolution of. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc BK 21841 21841 0 0 ddc 0 575_100000000000000_DAE 0 NFIC 41954 DUSL DUSL GEN 1974-06-12 Purchase 0.00 575.1 DAE A122435 2014-12-09 2014-12-09 BK