Halpern Paul  1961 <br/><br/>
Countdown to Apocalypse :  asteroids, tidal waves, and the end of the world / 
Paul Halpern. 
 - New York :  Plenum Trade,  c1998. 
 - 290 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 277-281) and index. 
<br/><br/><label>ISBN: </label>0306459868 
<br/><br/><label>Subjects--Topical Terms: </label><br/>End of the world Astronomy
<br/><br/><label>LC Class. No.: </label>QB638.8 
<br/><br/><label>Dewey Class. No.: </label>001.9