Excitation of helium by 0.05-6 keV electrons and polarization of the resulting radiation Back to all publications Publication date 1 January 1969 Reference H.R. Moustafa Moussa, F.J. de Heer and J. Schutten, Excitation of helium by 0.05-6 keV electrons and polarization of the resulting radiation, Physica 40, 517-549 (1969)
