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- [37] BEHAVIOR OF HE(23S) METASTABLES IN HELIUM PLASMAS BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1971, 16 (02): : 206 - &
- [38] Approximation of the electron excitation cross sections for triplet states excited from the 23S1 metastable state in helium Optics and Spectroscopy, 2002, 92 : 325 - 331
- [40] ANGULAR DEPENDENCE OF 23S EXCITATION OF HE BY HIGH-ENERGY ELECTRON IMPACT PHYSICAL REVIEW, 1968, 171 (01): : 123 - &