共 14 条
[1]
BABCOCK, 1927, ASTROPHYS J, V65, P140
[2]
BABCOCK, 1924, NATURE, V114, P276
[3]
BABCOCK, MT W CONTR, V328
[4]
BURNS, 1928, BUREAU STD J RES, V1, P303
[5]
*CARN I WASH MOUNT, CONTR CARN I WASH, V534
[6]
STJOHN, 1921, ASTROPHYS J, V53, P260
[7]
STJOHN, 1917, AP J, V46, P145
[8]
STJOHN, MT W CONTR, V137, P202
[9]
WARGA ME, 1928, PUB ALLEGHENY OBS, V6, P151
[10]
1926, J SCI INSTRUMENTS, V3, P129