Hufner Klaus <br/><br/>
United Nationas system International bibliography. 

 - New York     Verlag Dokumentations       1968 
<br/><br/><label>Standard No.: </label>33352 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>V1N4aN6, K8.1-.3    RR