Water supply east Africa 

 -  1971 
<br/><br/><label>Standard No.: </label>286,443 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENGINEERING
<br/><br/><label>Dewey Class. No.: </label>D85.69B, L1