000			00424nam a2200157Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a621 _bDA-E
100			_aDavis,Mackenzie L
245		0	_aIntroduction to environmental engineering
250			_a1st . Ed.
260			_c2001 _aNew Delhi _bTata McGraw Hill Education Limited
650			_aCivil Engineering
700			_aCornwell,David A
942			_cBK
999			_c3891 _d3891