TY  - BOOK
AU  - Parker,Sybil
TI  - Communications Source Book
SN  - 0070455104
U1  - 621.38 
PY  - 1987///
CY  - New York, USA
PB  - McGraw Hill
KW  - COMUNICACION ELECTRONICA
KW  - ELECTRONICA
KW  - TELECOMUNICACIONES
KW  - TELEVISION
ER  -