共 50 条
- [45] The magnetic polarity of sun-spots (vol 49, pg, 158, 1919) ASTROPHYSICAL JOURNAL, 1919, 50 (01): : 77 - 77
- [50] Radial motion in sun-spots II. The distribution of the elements in the solar atmostphere ASTROPHYSICAL JOURNAL, 1913, 38 (04): : 341 - 391