FRISTRUP, B. Vivian C. Bushnell & Richard H. Ragle (eds.): Icefield Ranges Research Project. Scientific Results. Vol. 2. Geografisk Tidsskrift, [S. l.], v. 73, 1974. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/45713. Acesso em: 20 dec. 2024.