Hanif Che Lah and  Wee Leong Son and  Rozita Borhan,  Pulse Generator with Constant Pulse Width.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2014, vol. 95(11). 1720 - 1723
    [viewed 14 October 2019]. Available from: https://publications.waset.org/pdf/9999685.