000 00402nam a2200157Ia 4500
008 170207s9999 xx 000 0 und d
082 _aPG 574.5 VER-E
100 _aVerma, P S; Agarwal, V K
245 _aEnvironmental biology: Principles of ecology
260 _bS Chand & Company, New Delhi
260 _c2001
300 _a591
365 _b80
650 _aEcology; Biology
942 _cBOOKS
999 _c33081
_d33081