Tivy, Joy <br/><br/>
Human impact on the ecosystem 

 - Edinburgh  Oliver and Boyd  1981 
 - 243 p.  Illustration 
 - Conceptual Framworks in Geography .
<br/><br/><label>ISBN: </label>0050032038 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIFE SCIENCE
<br/><br/><label>Dewey Class. No.: </label>574.5223  / TIV