CLOUT, H.; PHILLIPS, A. Sugar-beet production in the Nord departement of france during the nineteenth century. ERDKUNDE, [S. l.], v. 27, n. 2, p. 105–119, 1973. DOI: 10.3112/erdkunde.1973.02.03. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1687. Acesso em: 4 dec. 2024.