@article{escidoc:0177, title = {{Multilayer Fresnel zone plates for high energy radiation resolve 21 nm features at 1.2 keV}}, author = {Keskinbora, K. and Robisch, A.-L. and Mayer, M. and Sanli, U. and Gr\'event, C. and Wolter, C. and Weigand, M. and Szeghalmi, A. and Knez, Mato and Salditt, T. and Sch\"utz, G.}, journal = {{Optics Express}}, volume = {22}, number = {15}, pages = {18440--18453}, publisher = {Optical Society of America}, address = {Washington, DC}, year = {2014}, doi = {10.1364/OE.22.018440} }