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- 28020772 contributor B719813.
- 28020772 created "1928]".
- 28020772 date "1928".
- 28020772 date "1928]".
- 28020772 dateCopyrighted "1928]".
- 28020772 extent "22 p.".
- 28020772 isPartOf "Contributions from the Mount Wilson Observatory. no. 350".
- 28020772 issued "1928".
- 28020772 issued "1928]".
- 28020772 language "eng".
- 28020772 publisher "[Chicago,".
- 28020772 subject "Iron.".
- 28020772 subject "QB4 .C32 no. 350".
- 28020772 subject "Spectrum analysis.".
- 28020772 title "The effect of pressure on the spectrum of the iron arc, by Harold D. Babcock ...".
- 28020772 type "text".