000 00241nam a2200097 4500
999 _c335024
_d335024
082 _a560.45
_bAGE.P
100 _aAger, Derek V.
245 _aPrinciples of Paleoecology
_cAger, Derek V.
260 _aNew York
_c1963
_bMc Graw Hill
942 _cBK