%0 conference lecture %@ %A Hipp, A.,Beckmann, F.,Lytaev, P.,Greving, I.,Lottermoser, L.,Dose, T.,Kirchhoff, R.,Burmester, H.,Schreyer, A.,Herzen, J. %D 2014 %J SPIE Optics and Photonics 2014 Conference %N %P %T Grating-based X-ray phase-contrast imaging at PETRA III %U %X