Jafri, Syed Riaz un Nabi, et al. “Development of Georeferenced 3D Point Cloud in GPS Denied Environments Using Backpack Laser Scanning System”. Elektronika Ir Elektrotechnika, vol. 27, no. 6, Dec. 2021, pp. 25-34, https://doi.org/10.5755/j02.eie.29063.