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- [4] Broadcasting in the United States ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1935, 177 : 1 - 14
- [7] BARNOUW,E - A TOWER IN BABEL - A HISTORY OF BROADCASTING IN UNITED STATES JOURNAL OF THE SOCIETY OF MOTION PICTURE TELEVISION ENGINEERS, 1966, 75 (12): : 1244 - &
- [8] BROADCASTING - PUBLIC BROADCASTING IN THE UNITED-STATES TELECOMMUNICATION JOURNAL, 1980, 47 (06): : 401 - &
- [10] Broadcasting Outside the United States ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1935, 177 : 29 - 41