000 00426 a2200169 4500
020 _a8120327748
041 _aEn
082 _a628
_bMEE
100 _aMeenakshi , P.
245 _aElements of environmental science and engineering
260 _c2005
_aNew Delhi
_bPrentice Hall
_g2005
300 _c22 cm.
_axi,312 .
650 _aENVIRONMENT
650 _aENGINEERING
650 _aENVIRONMENTAL ENGINEERING
942 _cSR
999 _c30580
_d32127