00557cam a2200133 a 4500020002400000082002400024245011400048260009500162300003500257500002000292526003700312650004800349700002600397  a0801825849 (pbk.) :00a328.1091724bKALcD00aAppropriate sanitation alternatives :ba technical and economic appraisalcJohn M. Kalbermatten ... [et al.].  aBaltimore :bPublished for the World Bank [by] the Johns Hopkins University Press,cc1982.  axiii, 160 p. :bill. ;c28 cm.  aIncludes index.  a0b0c0d328_109172400000000_KAL 0aSanitary engineeringzDeveloping countries.1 aKalbermatten, John M.