000			00570nam a2200205Ia 4500
008			160330s9999||||xx |||||||||||||| ||und||
020			_a0-250-40373-0
040			_aCentral Library-NITS
041			_aEnglish
082			_a628.2 _bLAA
100			_aLaak, Rein
245			_aWastewater engineering design for unsewered areas _cby Rein Laak
260			_aMichigan _bAnn Arbor Science _c1980
300			_axi,179p.,ill.
500			_aIncludes index
650			_aWaste water engineering
650			_aWaste water treatment
650			_aWaste water-Technology
942			_cBK
999			_c3288 _d3288