%0 conference lecture (invited) %@ %A Beckmann, F.,Donath, T.,Dose, T.,Lippmann, T.,Martins, R.,Metge, J.,Schreyer, A. %D 2004 %J SPIE 49th Annual Meeting %N %P %T Microtomography using synchrotron radiation at DESY: current status and future developments %U %X