Crick, Bernard. <br/><br/>
The Discourses /  

 - Reprinted 1978 /  
 - England :   Penguin Books Ltd. ,   1970 
 - p.543 :  
<br/><br/><label>ISBN: </label>0-14-040.014-1 
<br/><br/><label>Dewey Class. No.: </label>Wx169:g  / L0;1