Deutsch Karl W Ed. <br/><br/>
Problems of world modeling    Political and social implications. 

 -  1977 
<br/><br/><label>Standard No.: </label>78243 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:75:(B).1'N7, L7