000 00311nam a2200133Ia 4500
008 160316s1973 xxu||||| |||| 00| 0 eng d
020 _a
100 _aStebbins , G Ledyard
245 _aProcess Of Organic Evolution
250 _a2nd
260 _aNEW DELHI
_bPNETICE HOLL
_c1973
300 _a191
700 _a
_a
999 _c9968
_d9968