Harper, David <br/><br/>
Eutrophication of freshwaters : principles, problems and restoration 
David Harper 
 - London  Chapman & Hall  c1992 
 - viii, 327p.: ;ill.; 24cm. 
<br/><br/><label>ISBN: </label>0412329700 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eutrophication<br/>Lake Renewal
<br/><br/><label>Dewey Class. No.: </label>574.52632  / HAR