Pickford John Ed. <br/><br/>
Water, sanitation, environment and development 

 - London  Intermediate Technology Publications UK         1994 
 - 161p  cm. 
 - Water Engineering and Development Centre Conference papers,19 .
<br/><br/> Bib chapterwise 
<br/><br/><label>ISBN: </label>1853392405 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geoparphy
<br/><br/><label>Dewey Class. No.: </label>U6715:(G:55), N4