A. Khafaji and  R. Saadane and  J. El Abbadi and  M. Belkasmi,  Ray Tracing Technique based 60 GHz Band Propagation Modelling and Influence of People Shadowing.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2008, vol. 21(9). 1937 - 1943
    [viewed 19 September 2020]. Available from: https://publications.waset.org/pdf/6697.