Chapra, Steven <br/><br/>
Surface water -quality modelling 
Steven Chapra 
 - London  Waveland Press Inc.  1997 
 - xix,844p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>1577666054 
<br/><br/><label>Dewey Class. No.: </label>628.1610158