000 00303nam a22001337a 4500
999 _c5673
_d5673
003 OSt
020 _a8183180604
082 _a574.5 CHA
100 _aChatwal, Gurudeep R
245 _a"A Text Book of Environmental Studies"
250 _a1st
260 _aMumbai
_bHimalaya Pub.
_c2005
942 _2ddc
_cBK