Bioastronomy - The Next Steps Proceedings of the 99th Colloquium of the International Astronomical Union held in Balaton, Hungary, June 22–27, 1987

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Bioastronomy The Search for Extraterrestrial Life — The Exploration Broadens

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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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Observatories in Earth Orbit and Beyond (Astrophysics and Space Science Library)

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Multiple Periodic Variable Stars Proceedings of the International Astronomical Union Colloquium No. 29, Held at Budapest, Hungary 1–5 September 1975

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Dynamics of Comets: Their Origin and Evolution Proceedings of the 83rd Colloquium of the International Astronomical Union, Held in Rome, Italy, 11–15 June 1984

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Inside the Sun Proceedings of the 121st Colloquium of the International Astronomical Union, Held at Versailles, France, May 22–26, 1989

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Planetary and Interstellar Processes Relevant to the Origins of Life

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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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Cosmochemical Evolution and the Origins of Life

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Applications of Computer Technology to Dynamical Astronomy Proceedings of the 109th Colloquium of the International Astronomical Union, Held in Gaithersburg, Maryland, 27-29 July 1988