Sixth congress on irrigation and drainage   
/ International commission on Irrigation and Drainage, question 22, general report, reports for discussion-R.1 
 - New Delhi:   International commission on Irrigation and Drainage,   1966 
 - 22.447p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigation 
<br/><br/><label>Subjects--Index Terms: </label>Drainage  
<br/><br/><label>Universal Decimal Class. No.: </label>626.81/.86(063)  / K6