TY  - BOOK
AU  - Vignault,Walter L.
TI  - Worldwide telecommunications guide for the business manager
SN  - 0471858285
U1  - 384 
PY  - 1987///
CY  - New York
PB  - John Wiley & sons
KW  - Business
KW  - communication systems
KW  - Telecommunication System
KW  - Telephnone In Business
ER  -