TY  - BOOK
AU  - Blyth, W John / Mary M Blyth
TI  - Telecommunications Concepts
SN  - 0-02-680841-2
PY  - 1990///
CY  - USA
PB  - Glencoe/ McGraw Hill Companies Inc.
KW  - 1. Telecommunication  2. Telecommunication -- Management
ER  -