Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) T. Ohyama and Umit Ozguner and M.P. Fitz and K. Tokuda and S. Nakabayashi and Keith Redmill and Füsun Özgüner and Weijun Zhu and O. Takeshita,An incident warning system with dual frequency communications capability,IEEE IV2003 Intelligent Vehicles Symposium. Proceedings (Cat. No.03TH8683),,IEEE,2004-03-22,,,552-557,https://cir.nii.ac.jp/crid/1872835442359480064,https://doi.org/10.1109/ivs.2003.1212972