WASET
    Seong Woo Kwak and  Jung-Min Yang,  Asynchronous Sequential Machines with Fault Detectors.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2016, vol. 117(9). 1179 - 1182
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10005309.