P.W. van Amersfoort, F. Siebenlist and R.W. Thomae, Quadrupole optics for periodic focusing channels, Nucl. Instrum. Methods Phys. Res. A 256, 1-8 (1987)
A.E.M.J. Fischer, E. Vlieg, J.F. van der Veen, M. Clausnitzer and G. Materlik, Structure determination of the CoSi2: Si(111) interface by x-ray standing-wave analysis, Phys. Rev. B 36, 4769-4773 (1987)
S.T. Ivanov, F. Siebenlist, R.W. Thomae, E.H.A. Granneman, J.H. Los, P.W. van Amersfoort, H. Klein, A. Schempp and T. Weis, Bunching of intense, low-energy ion beams in a periodic focusing quadrupole channel, Nucl. Instrum. Methods Phys. Res. A 262, 179-190 (1987)
J.C. Barbour, R. de Reus, A.W. Denier van der Gon and F.W. Saris, The role of diffusion in amorphous-phase formation and crystallization of amorphous Ni-Zr, J. Mater. Res. 2, 168-172 (1987)
C.F.A. van Os, R.M.A. Heeren and P.W. van Amersfoort, Negative ion formation at a barium surface in contact with a hydrogen plasma, Appl. Phys. Lett. 51, 1495-1497 (1987)
