Turgay Temel and  John Hallam,  An Improved Preprocessing for Biosonar Target Classification.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2007, vol. 1(1). 168 - 171
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/5519.