"Reports on various very specialised subjects concerned in the work of preparing cultural programmes for radio, presented by various participants of the international conference of editors and producers of radio programmes which was held in May-June 1956 at Unesco headquarters in Paris." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 569, topic code 210.331.13)