共 30 条
- [1] CHAPMAN, 1940, GEOMAGNETISM, V1, P341
- [3] 1903, NATURE, V69, P6
- [4] 1929, OBSERVATORY, V52, P168
- [5] 1940, OBSERVATORY, V63, P47
- [6] 1930, MN, V90, P824
- [7] 1929, MN, V89, P458
- [8] 1939, AP J, V89, P353
- [9] 1929, MN, V89, P643
- [10] 1941, OBSERVATORY, V64, P82