VAN HUYSSTEEN, CW. Relating the South African soil taxonomy to the World Reference Base for soil resources. [s.l.] : UJ Press,2020. DOI: 10.18820/9781928424666. Disponível em: https://ujonlinepress.uj.ac.za/index.php/ujp/catalog/book/120. Acesso em: 17 apr. 2026.