@conference {,
	title = {Indoor Location System based on ZigBee devices and Metric Description Graphs.},
	booktitle = {7th IEEE International Symposium on Intelligent Signal Processing },
	year = {2011},
	month = {09/2011},
	pages = {1-4},
	publisher = {IEEE},
	organization = {IEEE},
	address = {Floriana Malta},
	isbn = {978-1-4577-1401-6},
	author = {J.Ure{\~n}a and J.J. Garcia and S.Fernandez and Gualda, D and J.C. Garc{\'\i}a and R.Gutierrez}
}
