Cullen, Katherine <br/><br/>
Earth Science: The People Behind the Science 
Katherine Cullen 
 - U. S. A.  Chelsea House Publishers  2006 
 - xxi, 170 pages ;  ill . ;  23 cm. 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>0-8160-5464-9 
<br/><br/><label>Dewey Class. No.: </label>R/550.922/C91/2006