000			00429nam a2200169Ia 4500
005			20240718163807.0
008			170527s2016||||xx |||||||||||||| ||und||
020			_a9780070494633
082			_a628 B29e
100			_a Basak, N.N.
245		0	_aEnvironmental engineering
260			_bTata McGraw Hill _c2003 _aNew Delhi
300			_axvii,295p.
650			_aEnvironmental engineering
650			_aSanitation
942			_cBK
999			_c6121 _d6121