@conference {,
	title = {Android application for indoor location using sensor fusion: Ultrasounds and inertial devices},
	booktitle = { International Conference on Indoor Positioning and Indoor Navigation },
	year = {2018},
	month = {09/2018},
	pages = {1-8},
	publisher = {IPN},
	organization = {IPN},
	address = {Nantes, Francia},
	doi = {10.1109/IPIN.2018.8533785},
	author = {Ure{\~n}a, J. and S. Perez and Gualda, D and M.C. Perez and J. M. Villadangos}
}
