Jason Chien-Hsun Tseng,  Performance Evaluation of an ANC-based Hybrid Algorithm for Multi-target Wideband Active Sonar Echolocation System.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2010, vol. 45(9). 1359 - 1365
    [viewed 29 January 2020]. Available from: https://publications.waset.org/pdf/417.