Johnston, D W <br/><br/>
Polychlorinated biphenyls in sea birds from Ascension Island, South Atlantic Ocean.  [electronic resource] 

 -  Bulletin of environmental contamination and toxicology  Dec 1973 
 - 368-71 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0007-4861 
<br/><br/><label>Standard No.: </label>10.1007/BF01721005  doi