000 00404nam a2200145Ia 4500
008 210901s2005 xx 000 0 eng d
020 _a8120327740
082 _a363.7 MEE
100 _aMeenakshi, P.
245 0 _aElements of environmental science and engineering
260 _aNew Delhi
_bPHI Learning Pvt. Ltd.
_c2005
300 _a312p.
650 _aEnvironmental engineering(5)
942 _2ddc
_cBK
999 _c27841
_d27841