Conference on New Sources of Energy (1961 : Rom) (1961-1961)(2)
Rencontres Internationales de Gen`eve(2)
Vereinte Nationen. Department of Public Information (1946-)(2)
Eklund, Sigvard (1911-2000)(1)
Internationale Atomenergie-Organisation (1957-)(1)
Jaruzelski, Wojciech (1923-2014)(1)
Lemmerich, Jost (1929-2018)(1)
Schweizerische Janusz-Korczak-Gesellschaft (Genf) (1980-)(1)
Symposium on High Energy Accelerators and Pion Physics (1956 : Genf) (1956-)(1)