@article {,
	title = {Characterization of an Ultrasonic Local Positioning System for 3D Measurements},
	journal = {Sensors},
	volume = {20},
	year = {2020},
	month = {05/2020},
	pages = {2794,      },
	publisher = {MPDI},
	issn = {1424 - 8220   },
	doi = {10.3390/s20102794},
	author = {K. Mannay and Ure{\~n}a, J. and A. Hernandez and M. Machhout}
}
