Digital telephony /
Bellamy, John, 1941-
Digital telephony / [Book]. John Bellamy. - New York : Wiley, 1982. - xviii, 526 p. : ill. ; 25 cm.
Includes index.
Bibliography: p. 519-521.
0471080896
81011633
Digital telephone systems.
Digital telephony / [Book]. John Bellamy. - New York : Wiley, 1982. - xviii, 526 p. : ill. ; 25 cm.
Includes index.
Bibliography: p. 519-521.
0471080896
81011633
Digital telephone systems.