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1993 | ||
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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] |