000 00322nam a2200133Ia 4500
008 220201s1984 xx 000 0 eng d
100 _aMETCALF
245 0 _aWASTE WATER ENGINEERING TREATMENT DISPOSAL REUSE
250 _a2
260 _aDELHI
_bTATA MCGRAW HILL
_c1984
300 _a920
700 _aEDDY
942 _2ddc
999 _c90136
_d90136