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- [7] PICTUREPHONE SYSTEM - SWITCHING PLAN [J]. BELL SYSTEM TECHNICAL JOURNAL, 1971, 50 (02): : 521 - +
- [8] PICTUREPHONE SERVES AS A COMPUTER-DRIVEN DISPLAY [J]. ELECTRONIC ENGINEER, 1969, 28 (08): : 13 - &
- [9] PICTUREPHONE SYSTEM - MAINTENANCE PLAN [J]. BELL SYSTEM TECHNICAL JOURNAL, 1971, 50 (02): : 621 - &
- [10] PICTUREPHONE SYSTEM - TRANSMISSION PLAN [J]. BELL SYSTEM TECHNICAL JOURNAL, 1971, 50 (02): : 351 - +