000			00550nam a2200169 a 4500
005			20240602100059.0
008			060331s19uu xx 00 eng d
100	1	0	_aAger, Derek V.
245	1	0	_aPrinciples of paleoecology : _ban introduction to the study of how and where animals and plants lived in the past / _c[by] Derek V. Ager.
260	0		_aNew York : _bMcGraw-Hill, _cc1963.
300			_a371 p. : _bill. ;
300			_c24cm.
500			_aIncludes index.
504			_aBibliography: p. 319 - 345.
650		4	_aPaleoecology.
942			_2ddc
999			_c19510 _d19510