000 00343 a2200157 4500
020 _a9788181283436
082 _a621.391.1 BAR
245 _aDigital communication
250 _a3/e
260 _bSpringer
_c2004
300 _axvi, 838p
700 _aEdward A Lee
700 _aDavid G Messerschmitt
942 _cG
100 _aBarry, John R
999 _c2523
_d2523