Edwards, C. A.  1925- <br/><br/>
Biology of earthworms / 
by C. A. Edwards and J. R. Lofty 
 - London :  Chapman & Hall,  1972 
 - xv, 283 p. :  ill. ;  22 cm. 
<br/><br/> Distributed in the U.S.A. by Harper & Row Publishers, Barnes & Noble Import Division 
<br/><br/>Includes Bibliographycal references and indexes 
<br/><br/><label>ISBN: </label>0412110601 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Opisthophora