MATERIALS CHEMISTRY AND PHYSICS, vol. 106, no. 39847, page. 323 - 329, 2007-12-15
OPTICS EXPRESS, vol. 16, no. 14, page. 10331 - 10340, 2008-07-07
JOURNAL OF SYNCHROTRON RADIATION, vol. 14, page. 477 - 482, 2007-11