New Problems in Astrometry

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Confrontation of Cosmological Theories with Observational Data

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Astrometric Techniques: Proceedings of the 109th Symposium of the International Astronomical Union Held in Gainesville, Florida, U.S.A., 9–12 January 1984 (International Astronomical Union Symposia)

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Calibration of Fundamental Stellar Quantities Proceedings of the 111th Symposium of the International Astronomical Union held at Villa Olmo, Como, Italy, May 24–29, 1984

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Problems of Calibration of Absolute Magnitudes and Temperature of Stars (International Astronomical Union Symposia)

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Internal Kinematics and Dynamics of Galaxies (International Astronomical Union Symposia, 100)

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Astronomical and Astrophysical Objectives of Sub-millarcsecond Optical Astrometry Proceedings of the 166th Symposium of the International Astronomical Union Held in the Hague, Netherlands, August 15-19, 1994

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Solar Gamma-, X-, and EUV Radiation

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Non-Solar X- and Gamma-Ray Astronomy

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Reference Coordinate Systems for Earth Dynamics Proceedings of the 56th Colloquium of the International Astronomical Union Held in Warsaw, Poland, September 8–12, 1980

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Developments in Astrometry and Their Impact on Astrophysics and Geodynamics (International Astronomical Union Symposia)