Karl Marx and Our Time : the Struggle for Peace and Social Progress : International Scientific Conference ( <br/><br/>
Karl Marx and Our Time : the Struggle for Peace and Social Progress : International Scientific Conference, Berlin, April 11-16, 1983  

 -  1984 
<br/><br/> 1  Biblioteca Jaime Quijano Caballero 
<br/><br/><label>Dewey Class. No.: </label>335406