M.G. Tenner, F.H. Geuzebroek, E.W. Kuipers, A.E. Wiskerke, A.W. Kleyn, S. Stolte and A. Namiki, Orientation dependence of rotational excitation in NO scattering from Ag(111), Chem. Phys. Lett. 168, 45-50 (1990)
A.D. Kuypers and H.J. Hopman, Measurement of ion energy distributions at the powered rf electrode in a variable magnetic field, J. Appl. Phys. 67, 1229-1240 (1990)
W.H. Urbanus, R.-G.C. Wojke, J.G. Bannenberg, H. Klein, A. Schempp, R.W. Thomae, T. Weis and P.W. van Amersfoort, Comparison of two types of low-b rf-LINACS: MEQALAC and RFQ, Nucl. Instrum. Methods Phys. Res. A 290, 1-10 (1990)
A.E.M.J. Fischer, W.F.J. Slijkerman, J.F. van der Veen and I. Ohdomari, Thermal stability of supersaturated oxygen-doped silicon epitaxial films, Appl. Surf. Sci. 44, 115-119 (1990)