Intl. Hydrological Programme <br/><br/>
World water resources : Scientific and management priorities 

 - Paris  UNESCO / IHP  1991 
 - 28 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water resources
<br/><br/><label>Dewey Class. No.: </label>556(100) I5W