000 00352nam a2200145Ia 4500
008 230913s9999 xx 000 0 und d
082 _a660.2 rao
100 _aRao, C S
245 0 _aEnvironmental Pollution Control Engineering
260 _aNEW DELHI
260 _b NEW AGE
260 _c2001
300 _a431
650 _aEnvironmental Science
999 _c143975
_d143975