A.J.H. Boerboom, H. van Dop and J.H. Los, Elastic scattering of particles with noble gas electron configuration in the energy range from 150 through 4000 eV, Physica 46, 458-468 (1970)
D.J. Bierman, W.F. van der Weg, C. Snoek and D. Onderdelinden, Energy spectra of electrons arising from heavy-particle collisions in the keV region, Physica 46, 244-250 (1970)
M.C. Moutinho, P.G. Ikelaar, J.H. Los and J. Kistemaker, Experimental study of a slit monoplasmatron ion source, Nucl. Instrum. Methods 71, 56-60 (1969)
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)