000 00350nam 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 _bNAROSA
260 _c2009
300 _a424
650 _aEnvironmental Science
999 _c124240
_d124240