Hidetoshi Nonaka and  Masahito Kurihara,  Sensing Pressure for Authentication System Using Keystroke Dynamics .   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2007, vol. 1(1). 152 - 155
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/2995.