Stars and the Milky Way System Volume 2 Proceedings of the First European Astronomical Meeting Athens, September 4–9, 1972

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Mass Loss from Stars Proceedings of the Second Trieste Colloquium on Astrophysics, 12–17 September, 1968

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Structure and Evolution of the Galaxy: Proceedings of the NATO Advanced Study Institute Held in Athens, September 8–19, 1969 (Astrophysics and Space Science Library, 22)

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

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Stars and Star Systems: Proceedings of the Fourth European Regional Meeting in Astronomy Held in Uppsala, Sweden, 7–12 August, 1978 (Astrophysics and Space Science Library, 75)

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Sun and Planetary System: Proceedings of the Sixth European Regional Meeting in Astronomy, Held in Dubrovnik, Yugoslavia, 19–23 October 1981 (Astrophysics and Space Science Library, 96)

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Interstellar Magnetic Fields: Observation and Theory Proceedings of a Workshop, Held at Scholß Ringberg, Tegernsee, September 8–12, 1986

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New Aspects of Magellanic Cloud Research Proceedings of the Second European Meeting on the Magellanic Clouds Organized by the Sonderforschungsbereich 328 „Evolution of Galaxies“ Held at Heidelberg, Germany, 15–17 June 1992

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Cool Stars with Excesses of Heavy Elements Proceedings of the Strasbourg Observatory Colloquium Held at Strasbourg, France, July 3–6, 1984

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Wide Components in Double and Multiple Stars Proceedings of the 97th Colloquium of the International Astronomical Union held in Brussels, Belgium, 8–13 June, 1987

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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