TY  - BOOK
AU  - Lonberg, Bertill.C
TI  - Troubleshooting communications facilities: measurements and tests on data and telecommunications circuits, equipment, and systems
SN  - 0471612863
U1  - 621.382 
PY  - 1990///
CY  - New York
PB  - John Wiley & Sons
KW  - Engineering & Allied operation
ER  -