000			00377nam a2200145Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a577 _bVER-P
100			_aVerma, P S
245		0	_aPrinciples Of Ecology
260			_bS Chand and Co. _aNew Delhi _c1980
300			_a590p.
630			_xGeneral Stack
650			_aLife Sciences _vBiology _xEcologyZoology
942			_cBOOK
999			_c90106 _d90106