RATNAM, D. Venkata. Estimation and analysis of user IPP delays using bilinear model for satellite-based augmented navigation systems. Aviation, [S. l.], v. 17, n. 2, p. 65–69, 2013. DOI: 10.3846/16487788.2013.805864. Disponível em: https://journals.vilniustech.lt/index.php/Aviation/article/view/3585. Acesso em: 30 may. 2025.