Zariņš, Ansis, Inese Janpaule, and Jānis Kaminskis. “On Reference Star Recognition and Identification”. Geodesy and Cartography 40, no. 4 (December 16, 2014): 143-147. Accessed July 7, 2024. https://jau.vgtu.lt/index.php/GAC/article/view/3190.