@conference {976,
	title = {Ultrasonic LPS: architecture, signal processing, positioning and implementation.},
	booktitle = {2010 IEEE International Symposium on Industrial Electronics (ISIE 2010).},
	year = {2010},
	month = {09/2010},
	pages = {430-431},
	author = {{\'A}lvaro Hern{\'a}ndez and Mar{\'\i}a del Carmen P{\'e}rez and Jos{\'e} Manuel Villadangos and A. Jim{\'e}nez and C. Diego and R. Trejo}
}
