E. Paršeliūnas, B. Krikštaponis, and P. Petroškevičius, “Final results of the development of the National Vertical Second Order Network (Lithuania)”, ENVIRO, vol. 10, Jan. 2017, Accessed: May 24, 2026. [Online]. Available: https://conferences.vilniustech.lt/index.php/ENVIRO/article/view/979