Lewis, John S. <br/><br/>
Rain of iron and ice :  the very real threat of comet and asteroid bombardment / 
John S. Lewis. 
 - xi, 236 pages :  illustrations ;  24 cm. 
 - Helix books .
 - Helix book. .
<br/><br/>Includes bibliographical references (page 223) and index. 
<br/><br/><label>ISBN: </label>0201489503 
<br/><br/><label>LCCN: </label>95032915  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comets--Environmental aspects.<br/>Asteroids--Environmental aspects.<br/>Impact.
<br/><br/><label>LC Class. No.: </label>QB721  / .L42 1996 
<br/><br/><label>Dewey Class. No.: </label>551.3/97