Surlyk, F <br/><br/>
End-cretaceous brachiopod extinctions in the chalk of denmark.  [electronic resource] 

 -  Science (New York, N.Y.)  Mar 1984 
 - 1174-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.223.4641.1174  doi