Organisation for Economic Co-operation and Development. (1962). The coal industry in Europe: The situation in 1959 and 1960 and outlook on future trends, a study by the coal committee. Paris: Published by the Organisation for Economic Co-Operation and Development.
Παραπομπή Chicago StyleOrganisation for Economic Co-operation and Development. The Coal Industry in Europe: The Situation in 1959 and 1960 and Outlook On Future Trends, a Study By the Coal Committee. Paris: Published by the Organisation for Economic Co-Operation and Development, 1962.
Παραπομπή MLAOrganisation for Economic Co-operation and Development. The Coal Industry in Europe: The Situation in 1959 and 1960 and Outlook On Future Trends, a Study By the Coal Committee. Paris: Published by the Organisation for Economic Co-Operation and Development, 1962.