Changes to 76/345/Euratom: Council Decision of 25 March 1976 adopting a research and training programme (1976 to 1980) for the European Atomic Energy Community in the field of fusion and plasma physics
EU Decision 1976/345
Made by 78/470/Euratom: Council Decision of 30 May 1978 amending Decision 76/345/Euratom adopting a research and training programme (1976 to 1980) of the European Atomic Energy Community in the field of fusion and plasma physics
From legislation.gov.uk's record of changes, the official one: see it there.