PHILIP, K. Michael Tracy: Agriculture in Western Europe,. and Adaptation since 1880. Jonathen 1964, 415 sider, 55 sh. Nationaløkonomisk Tidsskrift, [S. l.], v. 103, 1965. Disponível em: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/61203. Acesso em: 18 maj. 2024.