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by Milne, E.A., Pannekoek, A., Rosseland, S., Westphal, W.
Published 1930
Published 1930
Springer Berlin Heidelberg
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by Wrubel, Marshal H., Arp, H. C., Burbidge, G. R., Burbidge, E. Margaret
Published 1958
Published 1958
Springer Berlin Heidelberg
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by Edmonson, Frank K., Lindblad, Bertil, Oort, J. H., Hogg, Helen Sawyer
Published 1959
Published 1959
Springer Berlin Heidelberg