共 2 条
[1]
SPACED OBSERVATIONS OF LOW-FREQUENCY RADIATION FROM EARTHS UPPER ATMOSPHERE
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1961, 66 (01)
:19-+
[2]
DIRECTIONAL OBSERVATIONS OF 5 KC-S RADIATION FROM THE EARTHS OUTER ATMOSPHERE
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1960, 65 (03)
:839-843