TY  - BOOK
AU  - Fike,John L.
AU  - Friend,George E.
ED  - Texas Instruments Incorporated.
TI  - Understanding telephone electronics
SN  - 0895120569 (pbk.)
AV  - TK6162 .F55 1983
U1  - 621.385�19 
PY  - 1983///,1984
CY  - Dallas, Tex.
PB  - Texas Instruments
KW  - Telephone
ER  -