World Book <br/><br/>
Young Scientist 

 - United State of America  World Book, Inc.  1991 
<br/><br/> n/a 
<br/><br/><label>ISBN: </label>0-7166-2791-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult Nonfiction
<br/><br/><label>Dewey Class. No.: </label>AN 502 WOR