@article {27773,
	title = {Implementation of a measurement-device-independent entanglement witness},
	journal = {Physical review letters},
	volume = {112},
	year = {2014},
	pages = {140506},
	publisher = {APS},
	author = {Xu, Ping and Yuan, Xiao and Chen, Luo-Kan and Lu, He and Yao, Xing-Can and Ma, Xiongfeng and Chen, Yu-Ao and Pan, Jian-Wei}
}
