A minicomputerized automatic layout system for two-layer printed wiring boards. - Ikuo Nishioka; Takuji Kurimoto; Hisao Nishida (DAC, 1977)

An automatic routing system for high density multilayer printed wiring boards. - Ikuo Nishioka; Takuji Kurimoto; Hisao Nishida; Seiji Yamamoto; Toru Chiba; Toshiaki Nagakawa; Takatsugu Fujioka; Masashi Uchino (DAC, 1980)