L'Europe en perspective et le role des entreprises pour l'avenir. Allocution de Monsieur Gaston E. Thorn, president de la Commission des Communautes europeennes, a l'occasion du 25eme anniversaire de la conference permanente des Chambres de Commerce et d'Industrie de la CEE. Luxembourg, 16 Septembre 1983 = The European perspective and the role of business in the future. Speech by Mr. Gaston E. Thorn, President of the Commission, on the occasion of the 25th anniversary of the permanent conference of the Chambers of Commerce and Industry of the EEC. Luxembourg, 16 September 1983