Daly, Edward A. Hansell, Kathleen J.
Visual telephony - Boston Artech House 1999 - xvii, 278p. : photos
1580530230
TELECOMMUNICATION
TELEPHONE SYSTEMS
621.395 / D3
Visual telephony - Boston Artech House 1999 - xvii, 278p. : photos
1580530230
TELECOMMUNICATION
TELEPHONE SYSTEMS
621.395 / D3