Koegel, R. G. <br/><br/>
Self-help wells / 
by R.G. Koegel. 
 - Rome :  Food and Agriculture Organization of the United Nations,  1977. 
 - FAO irrigation and drainage paper ;  30 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>925100398X 
<br/><br/><label>LCCN: </label>78325567 //r85 
<br/><br/><label>Nat. Bib. No.: </label>It*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wells.<br/>Boring.
<br/><br/><label>LC Class. No.: </label>TD412  / .K63 
<br/><br/><label>Dewey Class. No.: </label>622/.37