UNESCO yearbook on peace and conflict studies, 1982. 

 - Paris : UNESCO; USA: Greenwood Press, 1983. 
 - xiv, 269 p.; 24 cm. fot. 
<br/><br/><label>ISBN: </label>031322924 (Greenwood Press) 92-3-102119-2 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>OC 058: 355.014 (100)=20 "1982" UNE.