Stephenson, J. . <br/><br/>
The Oligochaeta /  Textual Documents 
J. Stephenson. 
 - 1st / 
 - Oxford :  At the Clarendon Press ,  1930. 
 - xiv,978p. :  ill ;  28 cm. . 
<br/><br/><label>ISBN: </label> HB 
<br/><br/><label>Subjects--Index Terms: </label>T/G-Zoology 
<br/><br/><label>Dewey Class. No.: </label>595.16  / St 44 Ol