On Approximate Methods of Calculating the Excitation Cross Sections of Atoms and Ions
1979 ◽
Vol 40
(C7)
◽
pp. C7-285-C7-286
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Keyword(s):
1983 ◽
Vol 39
(2)
◽
pp. 880-883
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Keyword(s):
1996 ◽
Vol 101
(A10)
◽
pp. 21765-21768
◽
Keyword(s):
2019 ◽
Vol 28
(2)
◽
pp. 025003
◽
Keyword(s):