Peter Odero Akuon,  Rain Cell Ratio Technique in Path Attenuation for Terrestrial Radio Links.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2019, vol. 150(6). 403 - 411
    [viewed 30 March 2020]. Available from: https://publications.waset.org/pdf/10010466.