TY  - BOOK
AU  - Killen,Harold B.
TI  - Telecommunications and data communication system design with troubleshooting
SN  - 0139025456
U1  - TK/5105 
PY  - 1986///
CY  - Englewood Cliffs, New Jersey
PB  - Prentice-Hall
KW  - Data transmission systems.
ER  -