共 50 条
- [41] NON-VOICE COMMUNICATIONS IN BANKING PHILIPS TELECOMMUNICATION REVIEW, 1984, 42 (04): : 229 - 238
- [47] SEMIAUTOMATIC SIGNALING IN TACTICAL VOICE COMMUNICATIONS NAVAL RESEARCH REVIEWS, 1969, 22 (06): : 1 - &
- [48] NEW CIRCUIT TECHNOLOGIES FOR COMMUNICATIONS EQUIPMENT ELECTRICAL COMMUNICATION, 1976, 51 (02): : 119 - 125