Palaeontology. 

 - Washington, D.C. :    U.S. Department of the Interior,    1957- 
 - v. :    ill. ;    24 cm. 
 - Quarterly    1957-1990 
 - 1957 
<br/><br/><label>ISSN: </label>00310239 
<br/><br/><label>Dewey Class. No.: </label>PER 560 P 343