Sitter, Willem de.
Kosmos: A Course of Six Lectures on the Development of Our Insight into the Structure of the Universe, Delivered for the Lowell Institute in Boston, in November 1931, Cambridge, MA and London, England: Harvard University Press, 1932.
https://doi.org/10.4159/harvard.9780674331471
Sitter, W. (1932).
Kosmos: A Course of Six Lectures on the Development of Our Insight into the Structure of the Universe, Delivered for the Lowell Institute in Boston, in November 1931. Cambridge, MA and London, England: Harvard University Press.
https://doi.org/10.4159/harvard.9780674331471
Sitter, W. 1932.
Kosmos: A Course of Six Lectures on the Development of Our Insight into the Structure of the Universe, Delivered for the Lowell Institute in Boston, in November 1931. Cambridge, MA and London, England: Harvard University Press.
https://doi.org/10.4159/harvard.9780674331471
Sitter, Willem de.
Kosmos: A Course of Six Lectures on the Development of Our Insight into the Structure of the Universe, Delivered for the Lowell Institute in Boston, in November 1931. Cambridge, MA and London, England: Harvard University Press, 1932.
https://doi.org/10.4159/harvard.9780674331471
Sitter W.
Kosmos: A Course of Six Lectures on the Development of Our Insight into the Structure of the Universe, Delivered for the Lowell Institute in Boston, in November 1931. Cambridge, MA and London, England: Harvard University Press; 1932.
https://doi.org/10.4159/harvard.9780674331471
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