Biological invasions belowground :  earthworms as invasive species/ 
Paul F. Hendrix 
 - Dordrecht :  Kluwer Academic Publishers,  2006 
<br/><br/><label>ISBN: </label>101402052820  RM259.91 9781402054280 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological invasions--Earthworms<br/>Earthworm ecology