Russell-Hunter, W. D. <br/><br/>
A biology of lower invertebrates 

 - New York  MacMillan Publishing Company  1969 
 - xi,224p.  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates
<br/><br/><label>LC Class. No.: </label>RL362.R79