Lewis, John S. <br/><br/>
Rain of iron and ice :  the very real threat of comet and asteroid bombardment / 
John S. Lewis. 
 - Reading, Mass. :  Addison-Wesley Pub. Co.,  c1996. 
 - xi, 236 p. :  ill. ;  24 cm. 
 - Helix books .
 - 551.3/97 .
<br/><br/>Includes bibliographical references (p. 223) and index. 
<br/><br/><label>ISBN: </label>0201489503 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comets--Environmental aspects.<br/>Asteroids--Environmental aspects.<br/>Impact.
<br/><br/><label>Dewey Class. No.: </label>551.3/97