B.L. Schram, H.R. Moustafa Moussa, J. Schutten and F.J. de Heer, Ionization cross sections for electrons (100-600 eV) in noble and diatomic gases, Physica 32, 734-740 (1966)
J. Schutten, F.J. de Heer, H.R. Moustafa Moussa, A.J.H. Boerboom and J. Kistemaker, Gross-and partial-ionization cross sections for electrons on water vapor in the energy range 0.1-20 keV, J. Chem. Phys. 44, 3924-3928 (1966)
A.J.H. Boerboom, B.L. Schram, W. Kleine and J. Kistemaker, Einfluß der Geschwindigkeit von Edelgasionen auf die Emission von Sekundär Elektronen, Z. Naturforsch. 21, 127-129 (1966)
B. Adamczyk, A.J.H. Boerboom, B.L. Schram and J. Kistemaker, Partial ionization cross sections of He, Ne, H2 and CH4 for electrons from 20 to 500 eV, J. Chem. Phys. 44, 4640-4642 (1966)
C. Snoek, R. Geballe, W.F. van der Weg, P.K. Rol and D.J. Bierman, Structure in the electron energy spectrum from multi-keV Ar+-Au and Ar+-Cu collisions, Physica 31, 1553-1556 (1965)
B.L. Schram, F.J. de Heer, M.J. van der Wiel and J. Kistemaker, Ionization cross sections for electrons (0.6-20 keV) in noble and diatomic gases, Physica 31, 94-112 (1965)