Google. <br/><br/>
E.encyclopedia :  science / 
by Google. 
 - London :  Dorling Kindersley,  2004. 
 - 384 p. :  ill. (some col ;  29 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1405303042 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer network resources--Juvenile literature.<br/>Science--Encyclopedias, Juvenile.
<br/><br/><label>Dewey Class. No.: </label>503