00414nam a2200133 a 45000010005000000030005000050050017000100080041000270400020000682450087000882600024001754900033001996500048002324219CDMR20130508140859.0130130s1979||||||||||||||||||||||||||||d  aCDMRbcatcCDMR 0aCommunication indicatorsb: [vol.] II : 100 years of mass communication in Germany  aParisc1979bUnesco0 aCommunication and societyv404aMitjans de comunicació de massazAlemanya