A Computer-Aided Advising System for FORTRAN Program Debugging: ADVISOR. - Yukuo Isomoto; Keiichi Yamagata; Tadashi Ishiketa (IFIP Congress, 1980)

Modeling of FMS under Uncertainty Using Stochastic Petri Nets. - Itsuo Hatono; Norihiro Katoh; Keiichi Yamagata; Hiroyuki Tamura (PNPM, 1989)

Modeling and On-Line Scheduling of Flexible Manufacturing Systems Using Stochastic Petri Nets. - Itsuo Hatono; Keiichi Yamagata; Hiroyuki Tamura (IEEE Trans. Software Eng., 1991)