Current bibliographical information   Information bibliographique courante    

 - USA  United Nations           1992 
 - 196p.  cm. 
 -  Vol.23-1 .
<br/><br/><label>ISBN: </label>00417343 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>a14,11N45,N92, N2/UN