@article{Roszkiewicz_A._Extraordinary_2013,
 author={Roszkiewicz, A. and Nasalski, W.},
 volume={61},
 number={No 4},
 howpublished={online},
 journal={Bulletin of the Polish Academy of Sciences: Technical Sciences},
 pages={855-861},
 year={2013},
 title={Extraordinary optical transmission and vortex excitation by periodic arrays of Fresnel zone plates},
 doi={10.2478/bpasts-2013-0092},
}