Kraatz, D. B. <br/><br/>
Irrigation canal lining 

 - Food & Agriculture Organization of the United Nations  Italy  1977 
 - 199p.  fig., table, chart 
<br/><br/><label>ISBN: </label>92-5-100165-0 
<br/><br/><label>Nat. Bib. No.: </label>7121 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>626.12  / KRA