@article {1036791,
	title = {Dispersion synthesis with multi-ordered metatronic filters},
	journal = {Optics Express},
	volume = {25},
	number = {3},
	year = {2017},
	url = {https://www.osapublishing.org/oe/abstract.cfm?uri=oe-25-3-1937},
	author = {Y. Li and I. Liberal and N. Engheta}
}
