@conference {,
	title = {Positioning Android Devices in Large Indoor Spaces and Transitioning to Outdoors by Sensor Fusion},
	booktitle = {2021 International Conference on Indoor Positioning and Indoor Navigation (IPIN 2021).},
	volume = {1},
	year = {2021},
	month = {12/2021},
	pages = {1-10},
	publisher = {IEEE},
	organization = {IEEE},
	chapter = {1},
	isbn = {978-1-6654-0402-0/21},
	author = {A. Garc{\'\i}a and M. C. P{\'e}rez and J. M. Villadangos and Gualda, D and A. Hern{\'a}ndez}
}
