P.W. van Amersfoort, J.J.C. Geerlings, L.F.Tz. Kwakman, E.H.A. Granneman and J.H. Los, Charge and energy transfer in collisions of Cs+ ions with cesiated W(110) surface, J. Appl. Phys. 58, 2312-2316 (1985)
R.W. Thomae, F. Siebenlist, P.W. van Amersfoort, F.G. Schonewille and E.H.A. Granneman, Low energy beam transport in a periodic focusing quadrupole channel, IEEE Trans. Nuclear Sci. 32, 3077-3079 (1985)
G.J.Q. van der Peyl, W.J. van der Zande, R. Hoogerbrugge and P.G. Kistemaker, Kinetic energy distributions of organic ions sputtered from solids and liquids, Int. J. Mass Spectrom. Ion Processes 67, 147-159 (1985)