Current role and future evolution of the ISDN Signaling system in NTT's network. - Kenichi Kitami; Kazuhiko Ogawa (IEEE Commun. Mag., 1990)

Intelligent network overview. - James J. Garrahan; Peter A. Russo; Kenichi Kitami; Roberto Kung (IEEE Commun. Mag., 1993)

Technology initiatives for the near future in internetworking. - Keiichi Koyanagi; Takafumi Saito; Tetsuya Kanada; Kenichi Kitami (IEEE Commun. Mag., 1997)