共 27 条
[21]
OBRIEN BJ, 1963, J GEOPHYS RES, V68
[22]
PIEPER GF, 1962, J GEOPHYS RES, V67, P3587
[23]
STOFFREGEN W, 1962, ELECTRON DENSITY PRO
[25]
OUTER RADIATION BELT AND SOLAR PROTON OBSERVATIONS WITH EXPLORER-VII DURING MARCH-APRIL 1960
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1960, 65 (09)
:2998-3003
[26]
Vestine E.H., 1944, TERR MAGN ATMOS ELEC, V49, P77
[27]
WINCKLER JR, 1962, J RES NATL BUR STAND, VD66, P127