S. Mikhailov, M, E S. Malevich, and V A. Permyakov. “Modeling of Radio-Wave Propagation in Forest by the Method of Parabolic Equation”. International Journal of Engineering & Technology 7, no. 2.23 (April 20, 2018): 111–113. Accessed May 7, 2024. https://sciencepubco.com/index.php/ijet/article/view/11895.