000 00323nam a2200133Ia 4500
008 160316s1965 xxu||||| |||| 00| 0 eng d
020 _a
100 _aSimpson , George Gaylord
245 _aTempo And Mode In Evolution
250 _a1ST
260 _aNEW YORK
_bHAFNER PUBLISHING CO
_c1965
300 _a237
700 _a
_a
999 _c10866
_d10866