Ravera O Ed. <br/><br/>
Ecological assesment of environmental degradation pollution and recovery 

 - Amsterdam  Elsevier         1989 
 - 369p.  cm. 
 - ISPRA courses on chemical  and enviormental science .
<br/><br/><label>Standard No.: </label>73038 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental pollution
<br/><br/><label>Dewey Class. No.: </label>D854:(G:55), M9