TY  - BOOK
AU  - Head, Sydney W. 
AU  - Sterling, Christopher H. 
AU  - Schofield, Lemuel B. 
TI  - Broadcasting in America : : A survey of electronic media 
SN  - 9780395673317
U1  - 384.5409  
PY  - 1994///
CY  - Boston [etc.] : 
PB  - Houghton Mifflin Co., 
KW  - Media technology
ER  -