Columbia subject headings:
Administrative Radio Conference (1992 : Spain)
Radio frequency allocation.
Telecommunication policy--International cooperation.
Telecommunication policy--United States.
Telecommunication--International cooperation.
Telecommunication--Technological innovations.
Harvard subject headings:
Princeton subject headings:
Administrative Radio Conference (1992 : Spain)
Radio frequency allocation.
Telecommunication policy--United States.
Telecommunication--International cooperation.
Telecommunication--Technological innovations.