000			00299 a2200121 4500
080			_a560 _bA 265 P
245	1		_aPrinciples of paleoecology _cby D.V. Ager
260			_aLondon _bMcGraw Hill Book Company _c1963
650			_aPaleoecology
100	1		_aAger, D.V. _d
300			_a371 p.
901			_a75784
999			_c30311 _d30311