Edwards, C. A. <br/><br/>
Biology and ecology of earthworms/ 
C.A. Edwards and P.J.  Bohlen. 
 - 3rd ed. 
 - London:  Chapman & Hall,  1996. 
 - xii,426p.:  ill.;  23cm. 
<br/><br/>Includes bibliographical references (p. 310-380) and index. 
<br/><br/><label>ISBN: </label>0412561603 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earthworms--Ecology.
<br/><br/><label>LC Class. No.: </label>QL391.A6  / E38 1996