International Telecommunications Satellite Consortium Bezüge im Wissensnetz Oberbegriff instantiell (2) GND-Körperschaften Internationale Organisation Satellitenfunk Aut (1) DNB-Titeldaten Annual report Creator (1) DNB-Titeldaten Annual report Isb (1) DNB-Titeldaten Intelsat IEE International Conference on Digital Satellite Communication