Selective absorption of starlight by interstellar clouds

[1] The distribution of extra-galactic nebulae [J]. ASTROPHYSICAL JOURNAL, 1934, 79 (01) : 8 - 76

[2] Spectral types of faint stars in kapteyns selected aeras 1-115 [J]. ASTROPHYSICAL JOURNAL, 1932, 76 (04) : 224 - 274

[3] *LICK OBS, 1927, LICK OBS B, V13, P68

[4] *LICK OBS, 1930, LICK OBS B, V14, P154

[5] PAYNE G, 1935, HARVARD ANN, V89, P105

[6] SEARES, 1922, ASTROPHYSICAL J, V55, P165

[7] The colour of the nebulous stars [J]. ASTROPHYSICAL JOURNAL, 1920, 52 (01) : 8 - 22

[8] SEARS, MT WILSON CONTR, V97

[9] SEARS, MT WILSON CONTR, V226

[10] SEARS, 1915, ASTROPHYS J, V41, P206

[1] The distribution of extra-galactic nebulae [J]. ASTROPHYSICAL JOURNAL, 1934, 79 (01) : 8 - 76

[2] Spectral types of faint stars in kapteyns selected aeras 1-115 [J]. ASTROPHYSICAL JOURNAL, 1932, 76 (04) : 224 - 274

[3] *LICK OBS, 1927, LICK OBS B, V13, P68

[4] *LICK OBS, 1930, LICK OBS B, V14, P154

[5] PAYNE G, 1935, HARVARD ANN, V89, P105

[6] SEARES, 1922, ASTROPHYSICAL J, V55, P165

[7] The colour of the nebulous stars [J]. ASTROPHYSICAL JOURNAL, 1920, 52 (01) : 8 - 22

[8] SEARS, MT WILSON CONTR, V97

[9] SEARS, MT WILSON CONTR, V226

[10] SEARS, 1915, ASTROPHYS J, V41, P206