Source and copyright
Source: Some aspects of the european energy problem - Suggestions for Collective Action, Report prepared for the O.E.E.C. by Mr. Louis Armand, Chairman of the Board of the Société Nationale des Chemins de Fer Français. Paris: Organisation for European Co-operation (OEEC), June 1955. 61 p. p. 7; 25-51.
Copyright: (c) OEEC