000			00412nam a2200157Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a624 _bME-W
100			_aMetcalf ,S
245		0	_aWaste water engineering : treatment disposal
250			_a2nd . Ed.
260			_c1979 _aNew Delhi _bTata McGraw Hill Education Limited
650			_aCivil Engineering
700			_aInc,Eddy
942			_cBK
999			_c2599 _d2599