14th. Congress on Irrigation & Drainage 

 - Rio de Janeiro, Brazil:  International Commission on Irrigation & Drainage,  1990 
 - 185 pages:  charts, tables;  30 cm 
<br/><br/> The Congress was held at Rio de Janeiro, Brazil in 1990 
<br/><br/>Volume 1-D - Symposium (R1-R12) 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transactions.