Proceeding on international hydrological programme 

 -  1980 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>48768 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Dynamic geology<br/>Action of water
<br/><br/><label>Dewey Class. No.: </label>H422p1,N79, M0