Fourth Congress on Irrigation & Drainage-Madrid(1960)  Transactions 

 - International Commission on Irrigation and Drainage   New Delhi  1960 
 - 12.554p.  ILL.,Cht.,Fig and Table 
 - Volume  IV .
<br/><br/><label>Nat. Bib. No.: </label>775 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>626.81  /  FOU