CHUDZIŃSKI, Adam; ŁAWNICZAK, Radzym. Review of selected map portals presenting bicycle routes. Badania Fizjograficzne Seria A - Geografia Fizyczna, [S. l.], v. 13, n. A 73, p. 45–62, 2023. DOI: 10.14746/bfg.2022.13.3. Disponível em: https://pressto.amu.edu.pl/index.php/bfg/article/view/38931. Acesso em: 17 jul. 2024.