HASHOLT, B. Chr.R. Goldman, J. McEvoy & P.J. Richerson (eds.): Environmental Quality and Water Development. Geografisk Tidsskrift, [S. l.], v. 75, 1976. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/45597. Acesso em: 30 dec. 2024.