@conference {,
	title = {Study of Cooperative Position Estimations of Mobile Robots},
	booktitle = {2017 International Conference on Indoor Positioning Systems},
	year = {2017},
	month = {09/2017},
	pages = {1-10},
	address = {Sapporo ,Jap{\'o}n},
	url = {http://www.ipin2017.org/proceedings.php},
	author = {Gualda, D and Ure{\~n}a, J. and J.C. Garcia and Mar{\'\i}a del Carmen Perez and E. Diaz}
}
