Elton, Charles S. <br/><br/>
(The) Ecology of invasions by animals and plants / 
Charles S. Elton. 
 - ELBS ed. 
 - Londan :  ELBS and Methuen,  1966 
 - 181p. :  ill. ;  21x15cm. 
 - (ELBS text book series) .
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECOLOGY
<br/><br/><label>Dewey Class. No.: </label>574.5  / ELT-ECO