CHRISTIANSEN, Sofus. Flows of matter in a traditional heathland farm about 1840. An example from northern West Jutland, Denmark. Geografisk Tidsskrift, [S. l.], v. 101, 2001. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/42412. Acesso em: 5 dec. 2025.