Nurbanu Guzey and  S. Jagannathan,  Localization of Near Field Radio Controlled Unintended Emitting Sources.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 98(2). 374 - 377
    [viewed 24 September 2020]. Available from: https://publications.waset.org/pdf/10000353.