Pak, B. (1968). Some considerations on the modulation mechanism of cosmic ray time variations. Universitetet.
Chicago-viite (17. p.)Pak, Byung-So. Some Considerations on the Modulation Mechanism of Cosmic Ray Time Variations. Uppsala: Universitetet, 1968.
MLA-viite (8. p.)Pak, Byung-So. Some Considerations on the Modulation Mechanism of Cosmic Ray Time Variations. Universitetet, 1968.
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