Digital telephony
"Bellamy, John C."
Digital telephony "Bellamy, John C." - 3rd. Ed - India Wiley books 2000 - 643 p.
9788126509294
Electrical engineering
621.385 / BEL-D
Digital telephony "Bellamy, John C." - 3rd. Ed - India Wiley books 2000 - 643 p.
9788126509294
Electrical engineering
621.385 / BEL-D