Laenen A. & Dunnette D.A. <br/><br/>
River quality : dynamic and restoration 

 - New Delhi  Lewis Publishers  1997 
 - 463p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>H4227
<br/><br/><label>Dewey Class. No.: </label>H4227  / M7