共 67 条
[3]
ALFVEN, 1942, ARK MAT ASTR FYSIK A, V28
[4]
[Anonymous], 1946, MON NOT R ASTRON SOC, V106, P159
[5]
BAADE, COMMUNICATION
[7]
Babocock H.W, 1939, LICK OBSERVATORY B, V498, P41, DOI DOI 10.5479/ADS/BIB/1939LICOB.19.41B
[9]
BOK BJ, CENTENNIAL S, P53
[10]
Brown E. W., 1928, OBSERVATORY, V51, P277