KWAŚNIAK, D. Łukasz; CELLMER, S. Incorporating Inter-System Bias in Single Point Positioning Based on GPS, Galileo and BeiDou System. Geomatics and Environmental Engineering, [S. l.], v. 15, n. 1, p. 97–109, 2021. DOI: 10.7494/geom.2021.15.1.97. Disponível em: https://gaee.agh.edu.pl/gaee/article/view/75. Acesso em: 18 sep. 2025.