Abstracts of scientific papers by U.S. partecipants scientific sessions, Cospar Meeting, Florence, Italy, April 10-14, 1961 |
Annual of the National academy of sciences for . |
Cambridge : Welch, Bigelow and Co., 1865- . |
Bulletin of the National research council |
Washington D.C. : published by the National research council of the National academy of sciences |
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Washington : Government printing office, 1866- . |
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Baltimore : Williams & Wilkins co., 1915- |
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