Breznikar, Aleš, and Česlovas Aksamitauskas. “Atmospheric Effects in Geodetic Levelling”.
Geodesy and Cartography
38, no. 4 (December 21, 2012): 130-133`. Accessed April 15, 2025. https://bme.vgtu.lt/index.php/GAC/article/view/4760.