XVIII. Statistical equilibrium in relation to the photo-electric effect, and its application to the determination of absorption coefficients

XCIII. On the theory of X-ray absorption and of the continuous X-ray spectrum

1923 • 1,071 citations

LIII. Ionization in the solar chromosphere

1920 • 393 citations

Atomic structure and spectral lines

1923 • 250 citations

�ber Zusammenst��e zwischen Atomen und freien Elektronen

1921 • 142 citations

On the Absorption of Radiation inside a Star

1922 • 20 citations

The origin of spectra

2007 • 11 citations