TY  - BOOK
AU  - Head, Sydney W.
AU  - Sterling, Christopher H.,
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : a survey of electronic media 
SN  - 395359368
SN  - 2
PY  - 1987///];copyright 1987.46
CY  - Boston
PB  - Houghton Mifflin
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Broadcasting
KW  - United States
N1  - Includes index; Bibliography: p. 563-581; 5
ER  -