00778nam0-22002891i-450-99000321601040332192-64-12428-4000321601FED01000321601(Aleph)000321601FED0100032160120000920d1983----km-y0itay50------baitaITTelecommunicationsPressures and Policies for ChangeOECD.ParisOECD1983.142 p.24 cmH/3.7Organizzazione per la cooperazione e lo sviluppo economicoITUNINARICAUNIMARCBK990003216010403321H/3.7 TEL1122SESSESTelecommunications455379UNINAING01