Edwards, Clive Arthur. <br/><br/>
Biology of earth worms 

 - 2 ed. 
 - London :  B,  1977 
 - 333 p.  : ilus. ; gráfs. 
 - Science paper-backs  ; 135 .
 - Science paper-backs  ; 135 .
<br/><br/><label>LCCN: </label>70530 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lombrices de tierra.
<br/><br/><label>Dewey Class. No.: </label>595.146045223  / E26 1977