Oxtoby, Edna. <br/><br/>
A guide to the anatomy of a common African earthworm / 
Edna Oxtoby. 
 - Nairobi :  EALB,  1975. 
 - 35 p. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earthworms--Anatomy.