000 00282nam a2200109Ia 4500
008 220201s2007 xx 000 0 eng d
100 _aDARA S S
245 0 _aTEXT BOOK OF ENVIRNOMENT AND POLLUTION CONTROL
260 _aDELHI
_bS CHAND AND SONS
_c2007
300 _a402
942 _2ddc
999 _c93177
_d93177