WALLWORK, John A. <br/><br/>
Earthworm biology 
/[by] John A.Wallwork 
 - London  Edward Arnold  1983 
 - 58 p.- 
 - The institute of biology's studies in biology no; 161 .
<br/><br/> Includes references & index. 
<br/><br/><label>ISBN: </label>713128844 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth worm<br/>Oligochaeta
<br/><br/><label>Dewey Class. No.: </label>592.64  / WAL