Rampino, M R <br/><br/>
Mass extinctions and periodicity.  [electronic resource] 

 -  Science (New York, N.Y.)  Aug 1995 
 - 617-9 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0036-8075 
<br/><br/><label>Standard No.: </label>10.1126/science.7624783  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Biological Evolution<br/>Paleontology<br/>Periodicity<br/>Population Dynamics