Hall, I.M. - Woolsey, N.C. - Renner, Oldřich - Uschmann, R.
High-resolution x-ray spectroscopy using toroidally bent crystals.
Central Laser Facility. Oxfordshire: CCLRC Rutherford Appleton Laboratory, 2004, s. 197-198. ISBN 0902376314
http://hdl.handle.net/11104/0116409