Mohd. Hasan and  Ajmal Kafeel and  S. D. Pable,  Subthreshold Circuit Performance Investigation under Temperature Variations.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2013, vol. 78(6). 739 - 743
    [viewed 29 January 2022]. Available from: https://publications.waset.org/pdf/3409.