@article {223,
	title = {"A Collaborative Recommender System Based on Space-Time Similarities". En: Estados Unidos Ieee Pervasive Computing},
	journal = {Journal IEEE Pervasive Computing},
	volume = {9 Issue   Pages },
	year = {2010},
	month = {July 2010 },
	pages = {87 },
	type = {A1},
	chapter = {81},
	url = {http://dl.acm.org/citation.cfm?id=1849303.1849360},
	author = {MARIO MUNOZ ORGANERO and Gustavo Adolfo Ram{\'\i}rez Gonz{\'a}lez and Pedro Mu{\~n}oz Merino and Carlos Delgado Kloos}
}
