JOHANSSON, S. The Helags Mountain, Sweden: Another piece in the Caledonian puzzle. Geology, Geophysics and Environment, [S. l.], v. 41, n. 1, p. 90, 2015. DOI: 10.7494/geol.2015.41.1.90. Disponível em: https://journals.agh.edu.pl/geol/article/view/1455. Acesso em: 8 may. 2024.