TY  - BOOK
AU  - Lewis,Peter M
AU  - Booth,Jerry
TI  - Invisible medium : public, commercial and community radio 
SN  - 9780333423660
U1  - 384.5409 23
PY  - 1989///
CY  - Basingstoke 
PB  - Macmillan
KW  - Radio broadcasting
ER  -