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)
B. Adamczyk, A.J.H. Boerboom and J. Kistemaker, A mass spectrometer for contineous analysis of gaseous compounds excreted by human skin, J. Appl. Physiol. 21, 1903-1906 (1966)
B.L. Schram, Partial ionization cross sections of noble gases for electrons with energy 0.5-18 keV II. Argon, krypton and xenon, Physica 32, 197-208 (1966)