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