共 12 条
[1]
*LUND OBS, 1923, LUNDS OBS MEDD 2
[2]
*MOUNT WILS OBS, CONTR MOUNT WILS OBS, V292
[3]
MT WILSON CONTR, V275
[4]
1924, MONTHLY NOTICES, V84, P363
[5]
1924, ASTROPHYSICAL J, V59, P228
[6]
1917, MONTHLY NOTICES, V78, P3
[7]
MT WILSON CONTR, V152
[8]
1924, OBSERVATORY, V47, P279
[9]
1918, ASTROPHYSICAL J, V48, P154
[10]
1924, MONTHLY NOTICES, V84, P747