Hammer,Mark J. <br/><br/>
Hydrology and quality of water resources 
Mark J.Hammer 
 - NewYork.  John Wiley & sons.  1981. 
 - ix,486p.  Ills.  25cm. 
<br/><br/> Includes Index 
<br/><br/><label>ISBN: </label>0471026816 
<br/><br/><label>Dewey Class. No.: </label>551.48 HAM