000 00334nam a2200121Ia 4500
008 181001s2009 xx 000 0 und d
082 _a628
_bMEE
100 _aMeenakshi, P.
245 0 _aElements of environmental science and engineering
260 _bPHI,
_aNew delhi:
_c©2009
650 _aElectrical Engineering
942 _2ddc
_cBK
_04
999 _c5588
_d5588