TY  - BOOK
AU  - Martin,James
TI  - Telecommunications and the computer
SN  - 0139026444
U1  - TK/5101 
PY  - 1990///
CY  - Englewood Cliffs, New Jersey
PB  - Prentice-Hall
KW  - Data transmission systems.
KW  - Telecommunication.
N1  - Includes bibliographical references
ER  -