| |
| 1993 | ||
|---|---|---|
| 2 | Jun-ichi Mizusawa, Minoru Akiyama: Experiences and Expectations of Introducing PSTN New Services. Computer Networks and ISDN Systems 25(10): 1041-1053 (1993) | |
| 1991 | ||
| 1 | Jun-ichi Mizusawa: IC-Cards and Telecommunication Services. ASIACRYPT 1991: 253-264 | |
| 1 | Minoru Akiyama | [2] |