Grunze, Michael Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;
https://www.osapublishing.org/josaa/viewmedia.cfm?uri=josaa-25-2-416&seq=0 (Any fulltext)
https://doi.org/10.1364/JOSAA.25.000416 (Any fulltext)
Rosenhahn, A., Barth, R., Staier, F., Simpson, T., Mittler, S., Eisebitt, S., et al. (2008). Digital in-line soft x-ray holography with element contrast. Journal of the Optical Society of America A, 25(2), 416-422. doi:10.1364/JOSAA.25.000416.