000 00347nam a22001577a 4500
003 SGT
020 _a818974757-6
082 _a304.2
_bSAC
100 _aSACHAN, NIKHIL K.
245 _aENVIRONMENT AND ECOLOGY
250 _a2ND
260 _aINDIA
_bBIRLA PUB.
_c2026
300 _a220
650 _aENVIRONMENT AND ECOLOGY
942 _2ddc
_cBK
999 _c32919
_d32919