Laverack, M. S <br/><br/>
The physiology of earthworms / 
by M. S. Laverack 
 - Oxford :  Pergamon Press,  1963 
 - ix, 206 p. :  ill. ;  22 cm. 
 - International series of monographs on pure and applied biology. v.15 Division,Zoology; .
<br/><br/>Bibliography: p. 185-21. 
<br/><br/><label>LCCN: </label>wl-n82-076742 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earthworms