共 4 条
[1]
Bartels J, 1935, TERR MAGN ATMOS ELEC, V40, P1
[2]
FORBUSH SE, 1958, INT ASTRON S, V6, P332
[3]
FORBUSH SE, 1937, TERR MAG, V42, P1, DOI DOI 10.1029/TE042I001P00001
[4]
LANGE I, 1948, CARNEGIE I WASH 175, V14