000			00401nam a2200145Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a628.3 _bGA-S
100			_aGarg,SK
245		0	_aSewage disposal and air pollution engineering environment engineering vol 2
250			_a15th . Ed.
260			_c2003 _aNew Delhi _bKhanna Publishers
650			_aCivil Engineering
942			_cBK
999			_c4272 _d4272