Skeivalas, Jonas, Dalius Radis, and Vidmantas Liutkauskas. “The Analysis of GSM Connection Systems Application for Determining Spatial Coordinates”. Geodesy and Cartography 35, no. 1 (August 3, 2012): 14-17. Accessed November 8, 2024. https://gc.vgtu.lt/index.php/GAC/article/view/10877.