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Codes for Cloud Forms and States of the Sky According to the International System of Classification
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United States. Weather Bureau
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The Probable State of the Sky Along the Path of Total Eclipse of the Sun, May 28, 1900, Observations of 1899
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Frank Hagar Bigelow
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Persistence, Runs, and Recurrence of Sky Cover
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Iver A. Lund, D. D. Grantham
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Persistence, Runs, and Recurrence of Visibility
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Iver A. Lund, D. D. Grantham
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Some Comparisons Between Probabilities of Cloud-free Lines-of-sight Estimated from Aircraft and from Sky Cover Observations
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Iver A. Lund, Eugene A. Bertoni
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Myths and Marvels of Astronomy
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Richard Anthony Proctor
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The Green Flash and Other Low Sun Phenomena
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D. J. K. O'Connell
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Foundations of Astronomy
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Michael A. Seeds
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The AFGL Four Color Infrared Sky Survey
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Stephan D. Price, Russell G. Walker
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The Revised AFGL Infrared Sky Survey Catalog
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Stephan D. Price
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