000 00286nam a2200109Ia 4500
008 200701s2012 xx 000 0 eng d
100 _aAnji Reddy. M
245 0 _atext book of environmental science & technology
260 _bB.S.PUBLICATIONS
_c2012
300 _a319
942 _2ddc
_cGE
_01
999 _c4811
_d4811