Spin density wave dislocation in chromium probed by coherent X-ray diffraction V. L.R. Jacques, D. Le Bolloc'h, S. Ravy, C. Giles, F. Livet and S. B. Wilkins Eur. Phys. J. B, 70 3 (2009) 317-325 Published online: 08 July 2009 DOI: 10.1140/epjb/e2009-00231-3