@article {27832,
	title = {An integrated space-to-ground quantum communication network over 4,600 kilometres},
	journal = {Nature},
	volume = {589},
	year = {2021},
	pages = {214-219},
	publisher = {Nature Publishing Group},
	isbn = {1476-4687},
	author = {Chen, Yu-Ao and Qiang Zhang and Chen, Teng-Yun and Cai, Wen-Qi and Liao, Sheng-Kai and Jun Zhang and Kai Chen and Yin, Juan and Ren, Ji-Gang and Zhu Chen}
}
