Mariner 9 Ultraviolet Spectrometer Experiment: Upper Limits on the Lyman-Alpha Flux from Clusters of Galaxies
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1976 ◽
Vol 33
(3)
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pp. 544-552
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The pioneer venus orbiter ultraviolet spectrometer experiment: Analysis of hydrogen lyman alpha data
1985 ◽
Vol 5
(9)
◽
pp. 129-132
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1971 ◽
Vol 76
(28)
◽
pp. 6666-6673
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