@article {2469,
	title = {Photonic topological insulators},
	journal = {Nature Materials },
	volume = {12},
	number = {233},
	year = {2013},
	url = {http://www.nature.com/nmat/journal/v12/n3/abs/nmat3520.html},
	author = {Alexander B. Khanikaev and S. Hossein Mousavi and Wang-Kong Tse and Mehdi Kargarian and Allan H. MacDonald and Gennady Shvets}
}
