Kalbermatten, John M. <br/><br/>
Technical and economic options 

 - Washington Dc:  The World Bank,  1980 
 - 124p.:  ill.;  28cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water supply<br/>Developing countries<br/>Sewage disposal
<br/><br/><label>LC Class. No.: </label>IRA TD353.K3