HASHOLT, B. Applied groundwater hydrology - a British perspective. Ed. by R.A. Downing & W.B. Wilkinson. Geografisk Tidsskrift, [S. l.], v. 93, 1993. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/42243. Acesso em: 26 nov. 2022.