GIRKUS, Romualdas; URBANAVIČIUS, Valdas. First and second triangulation of Kaunas city. Geodesy and Cartography, [S. l.], v. 36, n. 2, p. 81–84, 2012. DOI: 10.3846/gc.2010.13. Disponível em: https://journals.vilniustech.lt/index.php/GAC/article/view/10827. Acesso em: 9 may. 2025.