Real-time voice communications over a token-passing ring local area network. - Eluzor Friedman; Chaim Ziegler (SIGCOMM, 1986)

Packet voice communicatins over PC based local area networks. - Eluzor Friedman; Chaim Ziegler (SIGSMALL, 1986)

Packet voice communications over PC-based local area networks. - Eluzor Friedman; Chaim Ziegler (IEEE J. Sel. Areas Commun., 1989)

Implementation mechanisms for packet switched voice conferencing. - Chaim Ziegler; Gerald Weiss; Eluzor Friedman (IEEE J. Sel. Areas Commun., 1989)