000			00356nam a22001337a 4500
020			_a812241835x
082			_222 _a628.520
100			_aRao, C. S.
245			_aEnvironmental pollution control engineering /
250			_a2nd.
260			_aNew Delhi, _bNew Age International, _cc2006.
300			_axiv, 424 p. ; _bill. ; _c24 cm.
942			_2ddc _cCIVIL _04
999			_c1245 _d1245