TY  - BOOK
AU  - Daden,William E.
ED  - Housel, Thomas J.
TI  - Introduction to telecommunications: the busines perspective
SN  - 0-538-05583-9
AV  - HF5541 .T4 H68
PY  - 1988///
CY  - Cincinnati, Ohio
PB  - South-Western
N1  - Incluye bibliografia
ER  -