Crossed-Beam Measurement of the Electron-Impact Polarization of Helium 4922 Å Optical Radiation
1970 ◽
Vol 3
(7)
◽
pp. 952-958
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1983 ◽
Vol 95
(1)
◽
pp. 223-225
◽
1984 ◽
Vol 98
(2)
◽
pp. 213-220
◽