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- [4] IMPORTANCE OF POLARIZATION IN ELECTRON IMPACT EXCITATION OF 21S STATE OF HELIUM BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1970, 15 (06): : 786 - &
- [6] RESONANT QUENCHING OF 21S HELIUM BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1968, 13 (11): : 1397 - &
- [7] DETERMINATION OF EFFECTIVE EXCITATION CROSS SECTION OF 21S METASATABLE STATE OF HELIUM OPTICS AND SPECTROSCOPY-USSR, 1969, 27 (05): : 396 - +
- [8] ELASTIC AND 21S AND 24P EXCITATIONS OF HELIUM ATOM BY PROTON IMPACT INDIAN JOURNAL OF PHYSICS AND PROCEEDINGS OF THE INDIAN ASSOCIATION FOR THE CULTIVATION OF SCIENCE-PART B, 1978, 52 (02): : 74 - 82
- [10] EFFECTIVE CROSS SECTIONS FOR EXCITATION OF HELIUM FROM 21S STATE BY ELECTRON IMPACT OPTICS AND SPECTROSCOPY-USSR, 1969, 26 (01): : 15 - &