Brychtova, g. Alzbeta, Popelka, Stanislav, Dobesova, Zdena. "EYE-TRACKING METHODS FOR INVESTIGATION OF CARTOGRAPHIC PRINCIPLES." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference (2012): 1041 - 1048 pp. https://doi.org/10.5593/sgem2012/s09.v2016