Turner, J. F. (1985). Computer selection for a set of frequencies for use on a fixed high frequency circuit for the complete solar cycle. IPS Radio and Space Services.
Παραπομπή σε μορφή Chicago (17η εκδ.)Turner, J. F. Computer Selection for a Set of Frequencies for Use on a Fixed High Frequency Circuit for the Complete Solar Cycle. Daminghurst: IPS Radio and Space Services, 1985.
Παραπομπή σε μορφή MLA (9th εκδ.)Turner, J. F. Computer Selection for a Set of Frequencies for Use on a Fixed High Frequency Circuit for the Complete Solar Cycle. IPS Radio and Space Services, 1985.
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