Invitation Bulletin:7th.International Exhibition On Irrigation,Drainage and Flood Control 6 -11 September 1993 

 - ICID  1993 
 - p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ICID Publications.<br/>General.<br/>ICID.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Netherland,Hague.