A calculation method for software safety integrity level. - Takaji Fujiwara; Juan Manuel Estevez; Yoshinobu Satoh; Shigeru Yamada (EDCC-CARS, 2010)

A Method of Calculating Safety Integrity Level for IEC 61508 Conformity Software. - Takaji Fujiwara; Mitsuhiro Kimura; Yoshinobu Satoh; Shigeru Yamada (PRDC, 2011)