共 24 条
[21]
TESKE RG, 1973, PRIVATE COMMUNICATIO
[22]
LONG-TERM INTENSITY VARIATIONS IN SOLAR HELIUM(II) LYMAN ALPHA LINE
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1970, 75 (34)
:6950-+
[23]
WARWICK JW, 1973, PRIVATE COMMUNICATIO
[24]
WEFER FL, 1972, PRIVATE COMMUNICATIO