1. M. Krämer, J. Radiat. Res. 42, 39 (2001); M. Scholz, A.M. Kellerer, W. Kraft—Weyrather, G. Kraft, Radiat. Environ. Biophys. 36, 59 (1997)
2. J.D. Gillaspy, D.C. Parks, and L.P. Ratliff, J. Vac. Sci. Technol. B 16 (6), 3294 (1998)
3. L.P. Ratliff, R. Minniti, A. Bard, J.D. Gillaspy, D. Parks, A.J. Black, and G.M. Whitesides, Appl. Phys. Lett 74 (4), 590 (1999)
4. E. Lerner, The Industrial Physicist, 5 (3), 18 (June 1999); 5 (5), 18 (October 1999)
5. D.C. Lorentz, Comments At. Mol. Phys. 33, 125 (1997)