共 3 条
[1]
COSMIC-RAY INTENSITY VARIATIONS DURING 2 SOLAR CYCLES
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1958, 63 (04)
:651-669
[2]
GRAVES WR, 1961, 70002 IBM PROGR LIB
[3]
COSMIC RAYS AT BALLOON ALTITUDES AND SOLAR CYCLE
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1962, 67 (04)
:1309-+