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- 31030728 contributor B782113.
- 31030728 created "1931]".
- 31030728 date "1931".
- 31030728 date "1931]".
- 31030728 dateCopyrighted "1931]".
- 31030728 description "Bibliography: p. 22-24.".
- 31030728 extent "34 p.".
- 31030728 isPartOf "Contributions from the Mount Wilson Observatory. no. 422".
- 31030728 issued "1931".
- 31030728 issued "1931]".
- 31030728 language "eng".
- 31030728 publisher "[Chicago,".
- 31030728 subject "523.74".
- 31030728 subject "QB4 .C32 no. 422".
- 31030728 subject "Spectrum, Solar.".
- 31030728 subject "Sunspots.".
- 31030728 title "An investigation of molecular spectra in sun-spots, by R.S. Richardson ...".
- 31030728 type "text".