00710nam 2200241 450 991063179830332120221214104227.0031326157120221214d1988----u y0engy50 baengGB 00 Communications and historytheories of media, knowledge and civilizationPaul HeyerLondonLibrary of Congress1988197 p.22 cmMezzi di comunicazione di massaAspetti sociali302.2322itaHeyer,Paul367149910631798303321A / HEY 14030bfsBFSCommunications and history2982439UNINA