@base .
a ;
"0097-8132" ;
.
a ;
.
a .
a ;
;
"20181020175000.0"^^ ;
;
.
a , , ;
, , ;
"Broadcasting." ;
;
;
"0097-8132" ;
;
"0097-8132" ;
;
"0097-8132" ;
"Broadcasting." , "Broadcasting, cable sourcebook" ;
.
a , ;
"Broadcasting, cable sourcebook" .
a ;
"0097-8132" ;
.
.
"District of Columbia" .