000 00313nam a2200133Ia 4500
008 160316s1973 xxu||||| |||| 00| 0 eng d
020 _a
100 _aJ. Merritt Emlen
245 _aEcology : An Evolutionary Approach
250 _a1st
260 _aCALIFORNIA
_bWESLEY CO.
_c1973
300 _a492
700 _a
_a
999 _c11669
_d11669