Ardley, Neil <br/><br/>
Infinity's Science Encyclopaedia 

 - New Delhi :  Infinity books,  1999. 
 - 552p.;  Col.ill.;  25cm 
<br/><br/><label>ISBN: </label>8187233079 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Primary Education<br/>Encylopedia
<br/><br/><label>Dewey Class. No.: </label>503  / INF