000			00524nam a2200193Ia 4500
005			20250619145358.0
008			250619s9999||||xx |||||||||||||| ||und||
020			_a0070671176 _c525
040			_aMAIN
041			_aEnglish
082			_a628 _bDAV
100			_aDavis, Mackenzie L. and Cornwell, David A.
245		0	_aIntroduction to environmental engineering
250			_a4th ed.
260			_aNew Delhi _b; Tata Mcgraw-Hill _c, 2010
300			_avarious p.
650			_aEnvironmental Engineering
942			_cBK
999			_c128990 _d128990