Magnusdottir EH, Borsky M, Meier M, Johannsdottir K, Gudnason J. Monitoring Cognitive Workload Using Vocal Tract and Voice Source Features. Period. Polytech. Elec. Eng. Comp. Sci. [Internet]. 2017 Jan. 1 [cited 2024 Dec. 21];61(4):297-304. Available from: https://pp.bme.hu/eecs/article/view/10414