Jivall L, Kaminskis J, Paršeliūnas E. Improvement and extension of ETRS 89 in Latvia and Lithuania based on the NKG 2003 GPS campaign. GAC [Internet]. 2012Aug.3 [cited 2024Jun.27];33(1):13-20. Available from: https://btp.vgtu.lt/index.php/GAC/article/view/10927