1. ISO/IEC 11172 (MPEG-1 Video) (1993). Coding of moving pictures and associated audio for digital storage media at up to about 1.5 Mbit/s: Video.
2. ISO/IEC 13818–2 | ITU-T H.262 (MPEG-2 Video) (1995). Generic coding of moving pictures and associated audio information: Video.
3. ISO/IEC 14496–2 (2000). Coding of audiovisual objects-part 2: Visual. Geneva.
4. ITU-T Recommendation H.261 (1993). Video codec for audiovisual services at p X 64 kbit/s.
5. ITU-T Recommendation H.263 (1995). Video coding for low bit rate communication, version 1.