The Dorling Kindersley science encyclopedia. 

 - 1st American ed. 
 - London ;  New York :  Dorling Kindersley,  c1993. 
 - 448 p. : 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1564583287 : 
<br/><br/><label>Dewey Class. No.: </label>503  / THE