Šiaudinytė, Lauryna, Mindaugas Rybokas, and Vytautas Giniotis. “Analysis of Angle Measurements and a New Approach to Vertical Angle Calibation”. Geodesy and Cartography 37, no. 4 (January 11, 2012): 149-153. Accessed July 7, 2024. https://jau.vgtu.lt/index.php/GAC/article/view/5416.