@article {29388,
	title = {Space-Air-Ground Integrated Networks: Review and Prospect},
	journal = {Chinese Journal on Internet of Things},
	volume = {4},
	year = {2020},
	pages = {3-10},
	url = {http://www.infocomm-journal.com/wlw/EN/10.11959/j.issn.2096-3750.2020.00142},
	author = {Xuemin (Sherman) Shen and Nan Cheng and Haibo Zhou and Feng Lyu and Wei Quan and Weisen Shi and Huaqing Wu and Conghao Zhou}
}
