FRISTRUP, B. Bibliography on Ice on the Norlhern Hemisphere. Hydrographic Office, pub. no. 240. Washington 1945. Geografisk Tidsskrift, [S. l.], v. 50, 1950. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/48450. Acesso em: 18 jul. 2024.