Enabling unsupervised eye tracker calibration by school children through games. - Oleg Spakov; Howell O. Istance; Tiia Viitanen; Harri Siirtola; Kari-Jouko Räihä (ETRA, 2018)

Eye gaze and head gaze in collaborative games. - Oleg Spakov; Howell O. Istance; Kari-Jouko Räihä; Tiia Viitanen; Harri Siirtola (ETRA, 2019)