A STUDY OF THE SPECTRUM VARIABLES OF TYPE-A

[11] LUDENDORFF, 1907, AN, V176, P327

[12] MORGAN, 1933, AP J, V77, P77

[13] MORGAN, 1932, AP J, V76, P315

[14] MORGAN, 1932, AP J, V75, P53

[15] MORGAN, 1933, AP J, V77, P27

[16] Studies in peculiar stellar spectra I. The manganese lines in a Andromedae [J]. ASTROPHYSICAL JOURNAL, 1931, 73 (02) : 104 - 117

[17] Some evidence for the existence of a peculiar branch of the spectral sequence in the interval B8-F0 [J]. ASTROPHYSICAL JOURNAL, 1933, 77 (05) : 330 - 336

[18] On a line at lambda 4470 in the spectum of 21 Aquilae [J]. ASTROPHYSICAL JOURNAL, 1933, 77 (03) : 226 - 226

[19] Four early type stars having variable absorption lines [J]. ASTROPHYSICAL JOURNAL, 1932, 76 (04) : 275 - 276

[20] Studies in peculiar stellar spectra II. The spectrum of BD-18 degrees 3789 [J]. ASTROPHYSICAL JOURNAL, 1931, 74 (01) : 24 - 34

[11] LUDENDORFF, 1907, AN, V176, P327

[12] MORGAN, 1933, AP J, V77, P77

[13] MORGAN, 1932, AP J, V76, P315

[14] MORGAN, 1932, AP J, V75, P53

[15] MORGAN, 1933, AP J, V77, P27

[16] Studies in peculiar stellar spectra I. The manganese lines in a Andromedae [J]. ASTROPHYSICAL JOURNAL, 1931, 73 (02) : 104 - 117

[17] Some evidence for the existence of a peculiar branch of the spectral sequence in the interval B8-F0 [J]. ASTROPHYSICAL JOURNAL, 1933, 77 (05) : 330 - 336

[18] On a line at lambda 4470 in the spectum of 21 Aquilae [J]. ASTROPHYSICAL JOURNAL, 1933, 77 (03) : 226 - 226

[19] Four early type stars having variable absorption lines [J]. ASTROPHYSICAL JOURNAL, 1932, 76 (04) : 275 - 276

[20] Studies in peculiar stellar spectra II. The spectrum of BD-18 degrees 3789 [J]. ASTROPHYSICAL JOURNAL, 1931, 74 (01) : 24 - 34