000 00380nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aC.S. Rav
245 0 _aEnvironmental Pollution Control Engineering
250 _a1st Ed
260 _aNew Delhi
260 _bNew Age International
260 _c2006
650 _aEnvironmental Pollution Control Engineering
942 _cBK
999 _c23154
_d23154