Digital Telephony /
Bellamy , John C .
Digital Telephony / John C . Bellamy - 3rd ed . - New York : John Wiley , c2002 . - xxv , 643 p . : ill . ; 22cm .
9-814-12635-7
9-814-12635-7
1 . Telephony .
2 . Telecommunication .
3 . EEE .
621.385 / BED
Digital Telephony / John C . Bellamy - 3rd ed . - New York : John Wiley , c2002 . - xxv , 643 p . : ill . ; 22cm .
9-814-12635-7
9-814-12635-7
1 . Telephony .
2 . Telecommunication .
3 . EEE .
621.385 / BED