Kraatz D B <br/><br/>
Irrigation canal lining 
Kraatz D B 
 - Rome  Food and Agriculture Organization         1977 
 - 199p. Bib 189-99  cm. 
 - Food And Agriculture Organization Series . 4 .
<br/><br/><label>ISBN: </label>9251001650 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>X9(D2), L7