Não informado. (1963). Ionospheric predictions. U.S. Department of Commerce, National Bureau of Standards, Central Radio Propagation Laboratory.
Chicago Style (17. basım) AtıfNão informado. Ionospheric Predictions. Washington: U.S. Department of Commerce, National Bureau of Standards, Central Radio Propagation Laboratory, 1963.
MLA (8th ed.) AtıfNão informado. Ionospheric Predictions. U.S. Department of Commerce, National Bureau of Standards, Central Radio Propagation Laboratory, 1963.
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