Webb, J. E. <br/><br/>
Guide to invertebrate animals / 
J.H. Webb, J.A. Wallwork, J.H.  Elgood. 
 - 2nd ed. 
 - London :  English Language Book Society and Macmillan,  1978. 
 - 305 p. :  ill., maps ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0333247450 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates.
<br/><br/><label>LC Class. No.: </label>QL362  / W43 1978