@BOOK{a.ramey2013real-timerecognitionof, TITLE = {Real-time recognition of the gender of users around a social robot: preliminary results}, PUBLISHER = {University Carlos III of Madrid}, ISBN = {978-84-695-7212-2}, CITY = {}, PAGES = { - }, YEAR = {2013}, AUTHOR = {A. Ramey, M.A. Salichs} }