TY  - BOOK
AU  - Lewis,Peter Michael
TI  - The invisible medium: : public, commercial and community radio
T2  - Communications and culture
SN  - 0333423660
PY  - 1989///
CY  - London
PB  - Macmillan
KW  - Ràdio
KW  - Gestió d´emissores
ER  -