H. GREVE, Mogens; YLI-HALLA, Markku; A. NYBORG, Aage; ÖBORN, Ingrid. Appraisal of World Reference Base for Soil Resources - from a nordic point of view. Geografisk Tidsskrift, [S. l.], v. 100, 2000. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/42385. Acesso em: 6 dec. 2025.