Digital telephony /
Bellamy, John, 1941-
Digital telephony / John Bellamy. - 2nd ed. - New York : Wiley, c1991. - xix, 572 p. : ill. ; 25 cm. - Wiley series in telecommunications .
"A Wiley-Interscience publication."
Includes bibliographical references and index.
0471620564
90-037906
Digital telephone systems.
621.385 BEL
Digital telephony / John Bellamy. - 2nd ed. - New York : Wiley, c1991. - xix, 572 p. : ill. ; 25 cm. - Wiley series in telecommunications .
"A Wiley-Interscience publication."
Includes bibliographical references and index.
0471620564
90-037906
Digital telephone systems.
621.385 BEL