MARTINSON, W. The bridges over the river Kei. Toposcope, [S. l.], v. 52, p. 40–51, 2021. DOI: 10.21504/tj.v52i.2393. Disponível em: https://journal.ru.ac.za/index.php/toposcope/article/view/2393. Acesso em: 24 jan. 2022.