Wallwork, John Anthony, <br/><br/>
Ecology of soil animals / 
by John A. Wallwork. 
 - London :  McGraw-Hill,  1970. 
 - vii, 283 p. : 
<br/><br/><label>ISBN: </label>0070941254 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil animals.
<br/><br/><label>Dewey Class. No.: </label>591.7 W159 Ec