M. Krogsæter, I. Brüning, und C. Thomas. Engineering for Human-Computer Interaction, Volume A-18 von IFIP Transactions, Seite 253-269. North-Holland, (1992)
J. Scheer, K. Bruning, T. Frohlich, P. Wurz, und W. Heiland. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 157 (1-4):
208--213(August 1999)