Memo by CSMD A. Rossi on the resumption of the work of the Committee of the 18 in Geneva and the issue of non-dissemination nuclear weapons: summary of technical-military observations from SMD to MD of March 1964 on US proposal for declaration on non-dissemination, analysis on nuclear power guidelines and Non-nuclear countries; draft British and Canadian agreements presented to the Atlantic Council and reactions to alliance countries, statement Foreign Minister A. Fanfani to Geneva; US project of nuclear non-dissemination treaty, MAE instructions to amb. Cavalletti