Birvydienė, Rosita, Algirdas Butkus, Arūnas Būga, Ramūnas Dedela, Ričardas Kolosovskis, Boleslovas Krikštaponis, Arvydas Musteikis, et al. 2017. “Final Results of Establishment of the Geodetic Vertical Second Order Network of Lithuania”. International Conference “Environmental Engineering” 10 (January): 1-10. https://doi.org/10.3846/enviro.2017.166.