@article{escidoc:0111, title = {{Fabrication and X-ray testing of true kinoform lenses with high efficiencies}}, author = {Keskinbora, K. and Sanli, U. and Gr\'event, C. and Sch\"utz, G.}, journal = {{Proceedings of SPIE}}, volume = {9592}, publisher = {SPIE}, address = {Bellingham, Washington}, year = {2015}, doi = {10.1117/12.2187896} }