共 22 条
[1]
BECK HA, 1983, THESIS U ILLINOIS UR
[2]
BILLARD F, 1971, RADIOPROTECTION, V6, P45
[10]
PRELIMINARY RESULTS ON FORMATION OF NEGATIVE SMALL IONS IN TROPOSPHERE
[J].
JOURNAL OF GEOPHYSICAL RESEARCH,
1970, 75 (09)
:1717-+