Kejun Zhuang,  Bifurcation Analysis for a Physiological Control System with Delay.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2010, vol. 43(7). 894 - 896
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/2546.