@article {8738,
	title = {Transport discovery of emerging robust helical surface states in Z2=0 systems},
	journal = {Physical Review Letters},
	year = {2014},
	doi = {10.1103/PhysRevLett.112.176601},
	author = {Hua Jiang and Haiwen Liu and Ji Feng and Qingfeng Sun and X.C. Xie}
}
