Near Earth objects, our celestial neighbors : opportunity and risk : proceedings of the 236th Symposium of the International Astronomical Union held in Prague, Czech Republic August 14-18, 2006

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Observing comets

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Atlas of great comets

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Observing meteors, comets, supernovae, and other transient phenomena

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Hunting and imaging comets

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A handbook of descriptive and practical astronomy

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Icy bodies of the solar system : proceedings of the 263th symposium of the International Astronomical Union held in Rio de Janeiro, Rio de Janeiro, Brazil, August 3-7, 2006

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Comets : a descriptive catalog

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