Proceedings 
/ of the Symposium on global security for the twenty first century [held on] december 1986, Florence, Italy [under the auspices of the United Nations Department for disarmament affairs  
. - New York  : United Nations, 1987
. - 186 p.  ; 22 cm. 
<br/><br/><label>Source: </label> Dons divers 
<br/><br/><label>Universal Decimal Class. No.: </label>341.67