Laenen, Antonius  <br/><br/>
River quality:  dynamics and restoration 
by Antonius Laenen and David A. Dunnette 
 - 1st ed. 
 - New York  Lewis Publishers  c.1997 
 - 463p. 
<br/><br/><label>ISBN: </label>1566701384 
<br/><br/><label>Dewey Class. No.: </label>H  / N7