Edwards, C.A <br/><br/>
Biology of earthworms 

 - 2d ed 
 - London  Chapman and Hall  1977 
 - xviii,333 p.  Illustration 
<br/><br/><label>ISBN: </label>0412149400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ZOOLOGY
<br/><br/><label>Dewey Class. No.: </label>595.146  / EDW