Čypas, Kęstutis. “Investigation of Storage Peculiarities of Underground Utilities Geodata in Three-Dimensional Geoinformation System Model”. Geodesy and Cartography 31, no. 3 (August 3, 2012): 103-109. Accessed July 7, 2024. https://jau.vgtu.lt/index.php/GAC/article/view/10971.