Stellar atmospheres

by Cecilia Payne-Gaposchkin

[150] Pub. Obs. Mich., 3, 256, 1923.

[151] Payne, H. C. 256, 1924; ibid., 263, 1924.

[152] Henry Draper Catalogue; criterion of class.

[153] Lyman, Phys. Rev., 21, 202, 1923.

[154] Payne, Nature, 113, 783, 1924.

[155] Mitchell, Ap. J., 38, 407, 1913.

[156] H. C. 263, 1924.

[157] Pub. Dom. Ap. Obs., 1, 335, 1922.

[158] Mt. W. Contr. 236, 1922.

[159] Mt. W. Contr. p. 160, 236, 1922.