Gibson, Ray <br/><br/>
Nemerteans 

 - England  Longman York Press  1978 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural Sciences &mathematics--InvertebratesZoology
<br/><br/><label>Dewey Class. No.: </label>592.32  / GIB-N