共 17 条
[1]
*ALL OBS, 1916, PUBL ALL OBS, V3, P11
[2]
*HARV COLL OBS, 1909, ANN HARV COLL OBS, V69, P82
[3]
*LEID OBS, 1922, ANN LEID OBS, V13, P55
[4]
*MOUNT WILS OBS, CONTR MOUNT WILS OBS, V401
[5]
*OBS CRAC, 1927, 25 OBS CRAC
[6]
*OBS CRAC, 1925, 19 OBS CRAC
[7]
*R OSS ASTR CAP, 1921, CONTR R OSS ASTR CAP, V18
[8]
RUSSELLDUGANSTE, 1927, ASTRONOMY, P732
[9]
1903, ASTRONIMISCHE NACHRI, V162, P285
[10]
1924, ASTROPHYSICAL J, V60, P20