1. Meyer-Ilse, W., Warwick, T. & Attwood, D. (eds) X-ray Microscopy: Proceedings of the Sixth International Conference (American Institute of Physics, Melville, New York, 2000)
2. Chapman, H. N. et al. First lithographic results from the extreme ultraviolet engineering test stand. J. Vac. Sci. Technol. B 19, 2389–2395 (2001)
3. Peuker, M. High-efficiency nickel phase zone plates with 20 nm minimum outermost zone width. Appl. Phys. Lett. 78, 2208–2210 (2001)
4. Röntgen, W. C. Über eine neue Art von Strahlen. Vorläufige Mittheilung. Sber. Phys.-Med. Ges. Würzb. 137, 132–141 (1895)
5. Röntgen, W. C. On a new kind of rays. Nature 53, 274–276 (1896)