Elton, Charles S <br/><br/>
Ecology of invasions by animals and plants 

 -  English Language Book Society, London  1958 
 - 181 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology; Biology
<br/><br/><label>Dewey Class. No.: </label>574.5  ELT-E