Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Watanabe Ikuo and Hirao Yuji,Fault Tolerance of Train Control,The Journal of Reliability Engineering Association of Japan,09192697,Reliability Engineering Association of Japan,1998,20,5,318-325,https://cir.nii.ac.jp/crid/1390282679428762752,https://doi.org/10.11348/reajshinrai.20.5_318