Elton, Charles S.  x <br/><br/>
The ecology of invasions by animals and plants  x 

 - x 
 - London  Chapman and hall  1972 
 - 181 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology Ecology 
<br/><br/><label>Dewey Class. No.: </label>574.5/ELE