Network Testing System for Digital Data Networks. - Takashi Togawa; Mineo Nishiwaki; Ken-Ichiro Yoshida (Comput. Networks, 1986)

TMN-Based Network Operations and Management for Switching Systems. - Yoshikatsu Okazaki; Yuji Hibino; Takashi Togawa; Nobuyoshi Akiyama (NOMS, 1994)