Ruzgienė, Birutė, and Edita Aleknienė. “Analytical and Digital Photogrammetric Geodata Production Systems (a Comparison Test)”. Geodesy and Cartography 33, no. 2 (August 3, 2012): 50-54. Accessed July 7, 2024. https://jau.vgtu.lt/index.php/GAC/article/view/10921.