The Penguin book of the physical world / 
[co-ordinating editors, Sonya Larkin, Louise Bernbaum]. 
 - Harmondsworth ; :  Penguin,  1976. 
 - 1 v. :  ill. 
<br/><br/><label>ISBN: </label>0140037136 :  �1.95 
<br/><br/><label>LCCN: </label>76374711 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science.<br/>Geophysics.
<br/><br/><label>Dewey Class. No.: </label>500.2