000 003760000a22001450004500
008 140223b1963 xxu||||| |||| 00| 0 eng d
041 _aEng
080 _aK:6 K3
082 _aK:6 K3
100 _aSINGLETON Willard Ralph 1900-
245 _aElementary genetics, illus. by Te Hsiu Ma.
260 _aPrinceton, N J
_bVan Nostrand
_c1963
650 _aG:6
650 _aZOOLOGY
999 _c79181
_d79181