00347pab a2200133 454500008004000000100001400040245005500054260000900109300001100118362000800129650001600137700001700153773004300170180718b2001 xxu||||| |||| 00| 0 eng d aBal, A.S. aUpflow anaerobic sludge blanket reacter - a review c2001 ap.1-83 aApr aWaste water aDhagat, N.N. aIndian Journal of Environmental Health