%0 conference lecture %@ %A Stoermer, M.,Liard-Cloup, A.,Felten, F.,Jacobi, S.,Steeg, B.,Feldhaus, J.,Bormann, R. %D 2004 %J International Symposium on Optical Science and Technology, SPIE 49th Annual Meeting %N %P %T Investigations of large x-ray optics for free electron lasers %U %X