"editor Valerie H. Pitt" <br/><br/>
The penguin dictionary of physics 

 -  Harmondsworth ; Penguin, 1977.  1977 
 - 427 
<br/><br/><label>ISBN: </label>0140510710 
<br/><br/><label>Dewey Class. No.: </label>530.030  / 437