%0 conference lecture (invited) %@ %A Beckmann, F.,Donath, T.,Fischer, J.,Dose, T.,Lippmann, T.,Lottermoser, L.,Martins, R.,Schreyer, A. %D 2006 %J Optics and Photonics, SPIE 2006 %N %P %T New developments for synchrotron-radiation-based microtomography at DESY %U %X