000 00293nam a2200133Ia 4500
008 160316s1957 xxu||||| |||| 00| 0 eng d
020 _a
100 _aAltenburg , Edgar
245 _aGenetics
250 _a1ST
260 _aNEW YORK
_bHENREY HOLT AND CO
_c1957
300 _a496
700 _a
_a
999 _c9904
_d9904