共 10 条
[1]
CHREE, 1928, PHIL T, V227, P33
[2]
GIOVANELLI, 1939, TERR MAG, V44, P181
[3]
1938, IAU, V6, P371
[4]
1942, OBSERVATORY, V64, P261
[5]
OBSERVATORY, V172
[6]
1937, MN, V97, P594
[7]
1940, OBSERVATORY, V63, P129
[8]
1937, MN, V97, P605
[9]
1935, IAU, V5, P293
[10]
1932, TERRESTRIAL MAGNETIS, V37, P42