著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Y. Murakami and J. Chiba,Security communication in tunnels underground,Proceedings. International Carnahan Conference on Security Technology,,IEEE,2005-08-24,,,255-259,https://cir.nii.ac.jp/crid/1870302168074153984,https://doi.org/10.1109/ccst.1989.751989