"A first part studies the structures of the various information media — A second part consists of graphs which give thep resent statistics for each of the information media — A third part deals with the state of the information media in the 5 continents, taking each country in turn. Published in 1956 by Unesco under the same title." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 2496, topic code 070)