Ecological assessment of environmental degradation, pollution and recovery :  lectures of a course held at the Joint Research Centre, Ispra (Italy), 12-16 October 1987 / edited by O. Ravera 

 - Amsterdam :  Elsevier,  1989 
 - 369 p. 
<br/><br/><label>ISBN: </label>0 444 87361 9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental chemistry<br/>Biotic communities<br/>Aquatic ecology
<br/><br/><label>LC Class. No.: </label>TD193 E24