000 00365nam a2200145Ia 4500
008 150418s9999||||xx |||||||||||||| ||und||
082 _a01 333.7 CHA
100 _a"Chatwal, G.R."
245 2 _aA text book of Environmental Studies
250 _a2008
260 _bHimalaya Publishing Hous
300 _a01 333.7 CHA
600 _aLife Science
942 _2ddc
_cBK
999 _c6552
_d6552