Third congress on irrigation and drainage 1957 / 

 - New dehli :  International commission on irrigation and drainage.  1957 
 - various pages  illustration, Tables : 
<br/><br/> Hbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irriagtion
<br/><br/><label>Dewey Class. No.: </label>627.52 THI 1957 V-2