000 00392cam a22001217a 4500
008 180718b1980 xxu||||| |||| 00| 0 eng d
082 _aX8 In8ap
100 _aKalbermatten, John M.
245 _aAppropriate technology for water supply and sanitation: a planner's guide
_cby John M. Kalbermatten and Others
260 _aWashington, D.C.
_bIBRD
_c1980
300 _a194p.
650 _aSanitation
999 _c225720
_d225720