@article {,
	title = {Calibration of Beacons for Indoor Environments based on a Digital Map and Heuristic Information},
	journal = {Sensors},
	volume = {19Volume 29},
	year = {2019},
	month = {2/2019},
	pages = {670},
	issn = {1424-8220},
	doi = {10.3390/s19030670},
	author = {Gualda, David and Ure{\~n}a, J. and Alcal{\'a}, Jos{\'e} and Carlos Santos}
}
