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3. C. Audoin and B. Guinot, The Measurement of Time. Principles of GPS (Tekhnosfera, Moscow, 2002) [in Russian].
4. N. Capitane, B. Guinot, and D. D. McCarthy, Astron. Astrophys. 355, 398 (2000).
5. N. S. Sidorenkov, Physics of the Earth’s Rotation Instabilities (Nauka, Moscow, 2002) [in Russian].