Koegel, R. G. <br/><br/>
Self-help wells / 
R. G. Koegel 
 - Rome :  Food and Agriculture Organization of the United Nation,  1977 
<br/><br/>Includes references & index. 
<br/><br/><label>ISBN: </label>925100398X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wells
<br/><br/><label>Dewey Class. No.: </label>627.52  / KOE