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\bibitem{Martinez-Duenas_etal2019} {\textquotedblleft}\textit{Electromagnetic modeling and design of a novel class of complementary split-ring resonators}{\textquotedblright}. Mart{\'\i}nez-Due{\~n}as EJR, de Jong van Coevorden CM, Stukach OV, Panokin NV, Gielis J, Caratelli D, International journal of RF and microwave computer-aided engineering \textbf{29}, e21582 (2019).   http://doi.org/10.1002/MMCE.21582

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