Haugh, B N <br/><br/>
Fossilized viscera in primitive echinoderms.  [electronic resource] 

 -  Science (New York, N.Y.)  Aug 1980 
 - 653-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.209.4457.653  doi