JOHNSTON, W. New Zealand agriculture: the new frontier. ERDKUNDE, [S. l.], v. 19, n. 2, p. 155–161, 1965. DOI: 10.3112/erdkunde.1965.02.07. Disponível em: https://www.erdkunde.uni-bonn.de/article/view/1468. Acesso em: 30 apr. 2025.