http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
World Congress; The Contemporary Societies Toward Free Time 1979 : Brussels, Belgium)
3rd World Congress, Brussels, Belgium, 1979, The Contemporary Societies Toward Free Time = Temps libre en temps de crise / 3e Congres mondial, Bruxelles, Belgique, 1979, Les societes contemporaines face au temps libre.