Satellites [ <<< Radio ] [ Schools and inform. tech. >>> ] Glauco Benigni "Satellite comunication" (Rome, 04-03-1996) Giuliano Berretta "Satellite transmission" (Rome, 05/04/1996) The growth of satellite communications" (Rome, Eurovision, 3/10/1997) Augusto Preta "L'andamento del mercato multimediale" (Naples, 05/07/1996) Giuseppe Richeri "The history of the media" (Florence, 06/01/96)