Symposium on Water Resources System Planning with Special Reference to Irrigation, Drainage and Flood Control. - Varna(May -1972)  Proceedings 

 - International Commission on Irrigation and Drainage   New Delhi  1972 
 - S.224p.  Cht.,Fig and Table 
<br/><br/><label>Nat. Bib. No.: </label>3359 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>626.81  / SYM