Johnstone, Don. <br/><br/>
Elements of applied hydrology 

 - New York :  Ronald Press,  1949 
 - 276 p.  : ilus 
<br/><br/><label>LCCN: </label>17483 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hidrología.
<br/><br/><label>Dewey Class. No.: </label>551.49  / J64