@article {,
	title = {Simultaneous Round-Trip Time-of-Flight Measurements with Encoded Acoustic Signals},
	journal = {IEEE Sensors Journal },
	volume = {12},
	year = {2012},
	month = {10/2012},
	pages = {2931-29-40},
	address = {UK},
	issn = {1530-437X},
	doi = {10.1109/JSEN.2012.2205675 },
	author = {Mar{\'\i}a del Carmen Perez and Carlos De Marzziani and Ure{\~n}a, J. and {\'A}lvaro Hern{\'a}ndez and J. J. Garc{\'\i}a}
}
