Sixth congress on irrigation and drainage:   (New Delhi- 1966)  
/ International Commission on Irrigation and Drainage 
 - New Delhi:   International Commission on Irrigation and Drainage,   1966 
 - Special session reports   SSR. 1- SSR. 6  .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>626.81/.86(063)   / K6