共 13 条
- [1] *CARN I WASH MOUNT, CONTR CARN I WASH, V452
- [2] *HARV OBS, 1930, HARV OBS MON, V2
- [3] *HARV OBS, HARV OBS MON, V164
- [4] HOPMANN, 1921, ASTRONOMISCHE NACHRI, V214, P425
- [5] 1931, SCIENCE, V75, P25
- [6] MT WILSON CONTR, V304
- [7] MT WILSON CONTR, V368
- [8] MT WILSON CONTR, V365
- [9] 1925, ASTROPHYSICAL J, V62, P409
- [10] 1930, ASTROPHYSICAL J, V71, P231