000 00380nam a2200145Ia 4500
008 170207s9999 xx 000 0 und d
082 _a574.5 VER-E
100 _aVerma, P S; Agarwal, V K
245 _aEnvironmental biology: Principles of ecology
260 _bS Chand & Company, New Delhi
260 _c2000
300 _a591
650 _aEcology; Biology
942 _cBOOKS
999 _c38877
_d38877