Rao, B.L.N., B. K. Roy, H. B. Mathur, U. C. Gupta, Jai Prakash, and P. P. Verma. 2014. “Some Preliminary Investigations on the Propagation of V.H.F. Radio-Waves at 126Mc/S in Mountainous Terrain”. Defence Science Journal 13 (2):163-78. https://doi.org/10.14429/dsj.13.7090.