L. Francken and D. Onderdelinden: Influence of planar channelling on single crystal sputteringIn: Atomic Collision Phenomena in Solids : Proceedings of an International Conference held at the University of Sussex, Brighton, England, from 7th to 12th Sept., 1969 /ed. D. W. Palmer, M. W. Thompson and P. D. Townsend, North-Holland, 1970. - pp. 266-277
F. J. Heer: Excitation in collisions between ions and atoms observed by light intensity measurementsIn: International Mass Spectrometry Conference : Proceedings, The Institute of Petroleum, 1970. - pp. 143-152
A. J. H. Boerboom: Ion opticsIn: Recent Developments in Mass Spectroscopy : Proceedings of the International Conference on Mass Specroscopy, Kyoto /ed. K. Ogata and T. Hayakawa, University of Tokyo Press, 1970. - pp. 83-87
W. F. Weg, J. A. Boer, F.W. Saris and D. Onderdelinden: Gallium implantations in silicon, studied by proton backscattering, X-ray emission and Hall effectIn: European Conference on ion implantation : Reading september 7th-9th 1970, Peter Peregrinus Limited, 1970. - pp. 198-202
J. A. Cabral, H. J. Hopman and J. H. A. Wakeren: Measurement of the transverse velocity distribution function of the beam electrons in a beam-plasma experiment.In: Fourth European Conference on Controlled Fusion and Plasma Physics, Rome, Italy, August 31-September 4, 1970, [s.n.], 1970.
F.W. Saris, B.F.J. Luyken, F.J. Heer and J.F.M. Aarts: Absolute calibration of intensity in the far ultraviolet a) by means of ion or electron impact; b) using a microwave cavity as a monochromatic light sourceIn: Symposium ESRO [European Space Research Organisation], Munich, 27-29 May,1968, [s.n.], 1969. - pp. 67-74
H. J. Hopman, T. Matitti and J. H. A. Wakeren: Cyclotron harmonic instabilities in a beam-plasma experimentIn: Contributions to the Third European Conference on Controlled Fusion and Plasma Physics and the Symposium on Beam-Plasma Interactions, Utrecht, The Netherlands, 23-27 June 1969, Wolters-Noordhoff, 1969.
D. J. Bierman, F.W. Saris and J. Kistemaker: Photon emission from ion-bombarded metal surfacesIn: Proceedings of the 9th International Conference on Phenomena in Ionized Gases : Contributed Papers /ed. G. Musa, Editura Academiei Republicii Socialiste Romania, 1969.
G. J. Brakenhoff, J. M. Houtkooper and A. Baan: Wave growth due to the interaction of an ion beam with a bounded electron plasmaIn: Contributions to the Third European Conference on Controlled Fusion and Plasma Physics and the Symposium on Beam-Plasma Interactions, Utrecht, The Netherlands, 23-27 June 1969, Wolters-Noordhoff, 1969.