TY  - SER
ED  - United States of América.
TI  - Telephony
PY  - 1978///
CY  - Chicago 3
PB  - Telephony publishing Corp
N1  - V.194 No.5; V.194 No.12; V.194 No.20; V.195 No.2; V.195 No.13; V.195 No.23
ER  -