Pitt, Valerie H. <br/><br/>
The Penguin Dictionary of Physics 

 - 1st 
 - New York  Penguin Books Ltd.  1977 
 - 428 
<br/><br/><label>ISBN: </label>0140510710 
<br/><br/><label>Dewey Class. No.: </label>530  / PIT/T