@article {703861,
	title = {Metatronic analogues of the Wheatstone bridge},
	journal = {Journal of the Optical Society of America B},
	volume = {33},
	number = {2},
	year = {2016},
	pages = {A72},
	url = {https://www.osapublishing.org/josab/abstract.cfm?URI=josab-33-2-A72},
	author = {Yue Li and I{\~n}igo Liberal and Nader Engheta}
}
