Friedenssicherung:Vereinte P.III.191 
Nationen 

Ara n g i 0 -Ruiz, Gaetano: Development 
cf peaceful settlement and peacei"ul change 
in the United Nations system 

in 

Prcceedil]~ of the Arnerican Society of internation8.
l law at its 59th annual meeting. 
1965. 1965.3.124 f.