Ericson, D B <br/><br/>
Coiling Direction of Globigerina pachyderma as a Climatic Index.  [electronic resource] 

 -  Science (New York, N.Y.)  Jul 1959 
 - 219-20 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.130.3369.219  doi