Rybczynki, Witold <br/><br/>
Appropriate technology for water and sanitation  : low-cost technology options for samitation a state- of-the-art review and annotated bibliography 

 -  1982 
 - 184p.  29cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developing countries<br/>Water supply<br/>Sanitary engineering<br/>Sewage disposed
<br/><br/><label>LC Class. No.: </label>ERB TD335.R9