INTERNATIONAL HYDROLOGICAL PROGRAMME (IHP) FIRST SESSION OF THE INTERGOVERMENTAL COUNCIL 

 - Paris :  UNESCO,  1975 
 - various pagings 
<br/><br/><br/>In English 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrology
<br/><br/><label>Universal Decimal Class. No.: </label>551.49