共 12 条
- [1] GAPOSCHKIN S, 1940, P AM PHIL SOC, V82
- [2] GAPOSCHKIN S, 1940, P AM PHILOS SOC, V82, P321
- [3] GAPOSCHKIN S, 1940, P AM PHILOS SOC, V82, P319
- [4] GAPOSCHKIN S, 1939, J R ACAD SCI CANADA, V33, P238
- [5] *HARV, 1933, HARV B, V891, P8
- [6] PAYNE, 1931, HARVARD OBS MONO, V3
- [7] 1940, AP J, V91, P394
- [8] 1940, AP J, V91, P379
- [9] 1939, AP J, V90, P215
- [10] 1929, ASTR ABHANDL 1, V8