Stankūnas, Jonas, Algimantas Jakučionis, and Vytis Petrusevičius. “Accuracy and Performance of Augmentations to Global Navigation Systems Outside Their Areas of Coverage”. Aviation 9, no. 4 (December 31, 2005): 33-38. Accessed November 24, 2024. https://jau.vgtu.lt/index.php/Aviation/article/view/7424.