@techreport{weko_45866_1, author = "清本,晋作 and 田中,俊昭 and 中尾,康二 and 児島,史秀 and 佐藤,勝善 and 藤瀬,雅行", title = "Proposal and Design of Secure Protocols for ITS Reservation and Downloading Services", year = "2001", institution = "KDDI研究所, KDDI研究所, KDDI研究所, 通信総合研究所, 通信総合研究所, 通信総合研究所", number = "109(2001-ITS-007)", month = "nov" }