VideotexW
Videotex
Alex (videotex service)W
Alex (videotex service)
BildschirmtextW
Bildschirmtext
MinitelW
Minitel
MUPIDW
MUPID
PrestelW
Prestel
SemigraphicsW
Semigraphics
TelidonW
Telidon
ViewdataW
Viewdata
ViewtronW
Viewtron