FREDERIKSEN, P. P. Koorevaar, G. Menelik and C. Dirksen: Elements of soil physics. (Developments in soil science, 13). Geografisk Tidsskrift, [S. l.], v. 85, 1985. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/44164. Acesso em: 5 maj. 2024.