Christopher Paterson and  Richard Curry and  Alan Purvis and  Simon Johnson,  Detection of Action Potentials in the Presence of Noise Using Phase-Space Techniques.   journal   = {International Journal of Biomedical and Biological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2008, vol. 20(8). 251 - 254
    [viewed 23 October 2019]. Available from: https://publications.waset.org/pdf/2228.