SVENSSON, Harald. Some observations in West-Jutland of a polygonal pattern in the ground. Geografisk Tidsskrift, [S. l.], v. 62, n. 1, p. 122–124, 1963. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/132516. Acesso em: 6 dec. 2025.