000 00420nam a2200157Ia 4500
008 150723s9999 xx 000 0 und d
020 _a2122
082 _a 628.5 RAO-E
100 _a Rao, C S
245 _a Environmental pollution control engineering
260 _b New Age International (P) Ltd, Publishers New Delhi
260 _c2001
300 _a431
650 _a Pollution Control Engineering
942 _cBK
999 _c1996
_d1996