@conference {214,
	title = {FPGA-based Implementation of an Ultrasonic Beacon for a Local Positioning System},
	booktitle = {32nd IEEE International Annual Conference on Industrial Electronics, Control and Instrumentation (IECON 2006)},
	volume = {CD},
	year = {2006},
	month = {11 / 2006},
	pages = {1},
	address = {Par{\'\i}s, Francia},
	isbn = {1-4244-0136-4},
	author = {Ana Jimenez and {\'A}lvaro Hern{\'a}ndez and Ure{\~n}a, J. and Marta Alonso and Carlos De Marzziani and Mar{\'\i}a del Carmen Perez and Manuel Mazo and Jos{\'e} Manuel Villadangos and J.J. Garcia and Fernando J. {\'A}lvarez}
}
