http://www.gutenberg.org/ebooks/author/57296.opds
2024-11-08T20:00:33Z
Books by Shapley, Harlow (sorted by popularity)
Free eBooks since 1971.
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https://en.wikipedia.org/wiki/Harlow_Shapley
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2024-11-08T20:00:33Z
https://sendtokindle.compellingsciencefiction.com/ebooks/73996.opds
Stellar atmospheres : A contribution to the observational study of high temperature in the reversing layers of stars
Cecilia Payne-Gaposchkin