000			00319nam a2200133Ia 4500
008			220201s1999 xx 000 0 eng d
041			_aENG
100			_aMATEALF
245		0	_aWASTE WATER ENGINEERING
260			_aDELHI _bTATA MCGRAW HILL PUBLISHING COMPANY _c1999
300			_a1334
700			_aEDDY
942			_2ddc
999			_c62984 _d62984