000 00314nam a2200133Ia 4500
008 160316s1949 xxu||||| |||| 00| 0 eng d
020 _a
100 _aEdgar Anderson
245 _aIntrogressive Hybridization
250 _a1st
260 _aNEW YORK
_bJOHN WILEY & SONS,INC.
_c1949
300 _a109
700 _a
_a
999 _c31542
_d31542