Teaching aids in hydrology 

 - 2nd 
 - France  Unesco          1985 
 - 76p.  cm. 
 - Technical papers in Hydrology,27. .
<br/><br/><label>Standard No.: </label>34708 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOGRAPHY
<br/><br/><label>Dewey Class. No.: </label>U185, M5