Kalbermatten, John M. <br/><br/>
Appropriate technology for water supply and sanitation: a planner's guide 
by John M. Kalbermatten and Others 
 - Washington, D.C.  IBRD  1980 
 - 194p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitation
<br/><br/><label>Dewey Class. No.: </label>X8 In8ap