P.K. Rol, J.M. Fluit, F.P. Viehb and M.R. de Jong: Sputtering of copper-monocrystals by bombardment with 20 keV Ar+In: Proceedings of the Fourth International Conference on Ionization Phenomena in Gases, Uppsala 17-21 August 1959 /ed. N.R. Nilsson, North-Holland, 1960. - pp. 257-259
J. Schutten: Measurement of ultra-high VacuaIn: Advances in Vacuum Science and Technology : Proceedings of the First International Congress on Vacuum Techniques, 10-13 June, 1958, Namur, Belgium /ed. E.W. Thomas, Pergamon Press, 1960. - pp. 414-417
A.E. de Vries and R.A. Haring: An improvement on age determination by the C14 methodIn: 2nd UN Geneva Conference (1959), Pergamon Press, 1959. - pp. 249-250
J. Kistemaker, J.H. Los and E.J.J. Veldhuyzen: The enrichment of uranium isotopes with ultracentrifugesIn: 2nd UN Geneva Conference (1959)., Pergamon Press, 1959. - pp. 435-438
H.A. Tasman: Correction of second order aberrations in inhomogeneous magnetic sector fieldsIn: Organized by the Hydrocarbon Research Group, Institute of Petroleum, and A.S.T.M. Committee E. 14 and held in the University of London, 24th-26th September, 1958 /ed. J.D. Waldron, Symposium Publications Division, Pergamon Press, 1959. - pp. 36-43
A.E. de Vries, R.A. Haring and W. Slots: Separation of 14C16O and 12C18O by thermal diffusionIn: Proceedings of the International Symposium on Isotope Separation held in Amsterdam, April 23-27, 1957 /ed. J. Kistemaker, J. Bigeleisen and A.O.C. Nier, North-Holland, 1958. - pp. 478-482
D. Heymann and J. Kistemaker: Separation of some isotopes by convection-diffusionIn: Proceedings of the International Symposium on Isotope Separation held in Amsterdam, April 23-27,1957 /ed. J. Kistemaker, J. Bigeleisen and A.O.C. Nier, North Holland, 1958. - pp. 545-550
J.H. Los and J. Kistemaker: On the influence of temperature distributions inside a gas-centrifugeIn: Proceedings of the International Symposium on Isotope Separation held in Amsterdam, April 23-27, 1957 /ed. J. Kistemaker, J. Bigeleisen and A.O.C. Nier, North Holland, 1958. - pp. 695-700
P.K. Rol, J.M. Fluit and J. Kistemaker: Sputtering of copper by ion-bombardment in the energy range of 5-25 keVIn: Proceedings of the Symposium on Isotope Separation held in Amsterdam, April 23-27, 1957 /ed. J. Kistemaker, J. Bigeleisen and A.O.C. Nier, North Holland, 1957. - pp. 657-662