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Watergate affair-America (1972-1974)
Proceedings International summer school (1972: Ruca,Antwerp University)
INTERNATIONAL School of Physics <<Enrico Fermi>> (1972: Monastero)
WORKSHOP on roles of Universities in local and regional development of Southeast Asia (Penang: 1972)
NATIONAL Conference on physics in Australian Colleges in advanced education (1st: 1972: Perth,W.A.