An investigation of molecular spectra in sun-spots
By: by R.S. Richardson ...
Series: Contributions from the Mount Wilson Observatory.; no. 422
Published: 1931
Place of publication: [Chicago
Language: eng
Number of pages: 34
Subjects: Sunspots.; Spectrum, Solar.
Notes: Bibliography: p. 22-24.
Cover-title.
At head of title: Carnegie Institution of Washington.
"Reprinted from the Astrophysical Journal, vol. LXXIII, 1931."