Rohilla, A., J. Rohilla, K. Singh, G. Gupta, and S. Chhabra. “Co-Existence of Riche-Cannieu Communications and Berretinni Communications”. International Journal of Research in Medical Sciences, vol. 2, no. 4, Jan. 2017, pp. 1758-60, https://www.msjonline.org/index.php/ijrms/article/view/2507.