Engels, Frederick. <br/><br/>
Dialectics of nature / 
Frederick Engels. 
 - 2nd. rivised ed. 
 - Moscow :  Progress pub.  1954. 
 - 404p.  21cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>dialectical materialism.--russia.
<br/><br/><label>Dewey Class. No.: </label>335.4112  / END 1954.