RECOMMENDATION ITU-R BT.1301 - Data services in digital terrestrial television broadcasting
ANNEX 1 - Teletext
1 Introduction
2 Definitions and abbreviations
    2.1 Definitions
    2.2 Abbreviations
3 Insertion of teletext into the MPEG-2 transport multiplex
    3.1 data_field for ITU-R teletext systems
APPENDIX 1 TO ANNEX 1 - Teletext elementary stream
ANNEX 2 - Subtitling
ANNEX 3 - Broadcast multimedia services