000			00305nam a2200133Ia 4500
100			_aPandey, G. N. & Carney, G. C.
365			_b150
942			_cBK
654			_a
245			_aEnvironmental engineering
260			_aNew Delhi _bTata McGraw Hill _c1989
082			_a614.7
300			_bHb _c24cm _ax,456
999			_c379153 _d379153
041			_aeng