"Bernal, J.D." <br/><br/>
Freedom of necessity 

 - London  Routledge & Kegan Paul  1949 
 - 457 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science and civilization.
<br/><br/><label>Dewey Class. No.: </label>GL 303.483