TY  - BOOK
AU  - Beyda,William J.
TI  - Data communications : : from basics to broadband
SN  - 0130961396
U1  - 004.6 23
PY  - 2000///
CY  - Upper Saddle River, New Jersey : 
PB  - Prentice Hall , 
KW  - Data transmission systems
N1  - Includes bibliographical references and index
ER  -