TY  - BOOK
AU  - Martin, James [and] Leben, Joe 
TI  - Data communication technology
SN  - 013196643x025
AV  - TK5105 
U1  - 004.66 
PY  - 1988///]
CY  - New Jersey : 
PB  - Prentice Hall Inc., 
KW  - Data transmission systems
KW  - Telecommunication
N1  - Includes index
ER  -