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References
- ↑ Kramer, D. "Higher-level teletext in action" (PDF). EBU Technical Review (Spring 1998).
- ↑ Enhanced Teletext specification (PDF). ETSI. 1997.
- ↑ ETSI: Details of 'DE/JTC-TTEXT-EPG' Work Item (ETS 300 7087). (Retrieved December 16th, 2013)
- ↑ ETSI: Details of 'REN/JTC-TTEXT-DT-R1' Work Item (ETS 300 708). (Retrieved December 16th, 2013)
- ↑ nexTView EPG decoder software. (Retrieved December 16th, 2013)
- ↑ "Geschichte | SWISS TXT". 2016-04-15. Archived from the original on 2016-04-15. Retrieved 2022-11-12.
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