B. MADSEN, H. S. Western: Soil Survey Contracts arfd Quality Control. Monographs on soil survey. Oxford University Press, Oxford 1978. 284 s., 14x22 cm. £12.50. Geografisk Tidsskrift, [S. l.], v. 80, 1980. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/45310. Acesso em: 2 maj. 2024.