TY  - BOOK
AU  - Tedesco,Eleanor Hollis
TI  - Telecommunications for business
SN  - 0534920012
U1  - HF/5541 
PY  - 1990///
CY  - Boston
PB  - PWS-Kent Publishing Company
KW  - Business -- Communication systems.
KW  - Computer networks.
KW  - Data transmission systems.
KW  - Telecommunication systems.
ER  -