NIELSEN, N. Hint to travellers. Eleventh edition. Volume two. Organization and equipment, scientific observation, health, sickness, and injury. Edited by the secretary. Royal Geographical Society. London 1938. Pris: 16 sh. (17X12 cm, 472 S.). Geografisk Tidsskrift, [S. l.], v. 41, 1938. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/48218. Acesso em: 8 maj. 2024.