Upper atmosphere--Observations
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found: OCLC, Oct. 15, 2018(titles: First results of upper atmosphere observations; Development of middle and upper atmosphere observations at Syowa Station toward JARE Phase IX; The lidar system for upper atmosphere observations at Shinshu University)
found: Journal of geophysical research, v. 105, no. A8 (Aug. 1, 2000):p. 18,609 (article title: Upper atmospheric observations at the Arecibo Observatory; abstract: observations of the upper atmosphere)
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Change Notes
2000-04-15: new
2019-01-24: revised
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