Sudhir, N. S., and S. S. Manvi. “Design and Development of Miniature Dual Antenna GPS-GLONASS Receiver for Uninterrupted and Accurate Navigation”. Journal of Telecommunications and Information Technology, vol. 58, no. 4, Dec. 2014, pp. 108-15, https://doi.org/10.26636/jtit.2014.4.1053.