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

 - Edinburgh:  Oliver & Boyd,  1981. 
 -  243p 
<br/><br/>  PB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>005003203 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Man-Influence on nature
<br/><br/><label>Dewey Class. No.: </label>574.5223  / TIH