Rao, B., Roy, B. K., Mathur, H. B., Gupta, U. C., Prakash, J., & Verma, P. P. (2014). Propagation of V.H.F. radio waves in mountainous terrains-polarisation effects. Defence Science Journal, 13(4), 249–256. https://doi.org/10.14429/dsj.13.7108