Markus Klann Alessio Malizia Luca Chittaro Ignacio Aedo Stefano Levialdi Hci for emergencies. 3945-3948 2008 CHI Extended Abstracts http://doi.acm.org/10.1145/1358628.1358963 conf/chi/2008a db/conf/chi/chi2008a.html#KlannMCAL08