TY  - BOOK
AU  - Gross, Lynne Schafer
TI  - Telecomunications an introduction to radio television, and the developin media
U1  - 384.54 GRO 
PY  - 1983///
CY  - Dubuque, Iowa-US
PB  - Wm C. Brown Co.
KW  - RADIO - HISTORIA
KW  - TELECOMUNICACION
KW  - TELEVISION - HISTORIA
ER  -