Anna Belardinelli Fiora Pirri Andrea Carbone Bottom-Up Gaze Shifts and Fixations Learning by Imitation. 256-271 2007 37 IEEE Transactions on Systems, Man, and Cybernetics, Part B 2 http://doi.ieeecomputersociety.org/10.1109/TSMCB.2006.886950 db/journals/tsmc/tsmcb37.html#BelardinelliPC07