Kerrod, Robin <br/><br/>
Concise encyclopedia of science 
/ Robin Kerrod 
 - London :  Purnell & Sons Ltd.,  1979 
 - 256 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>503  / K415