Tungsandsforekomster i Danmark. Danmarks Geologiske Undersøgelse III. Række, [S. l.], v. 33, p. 1–63, 1960. DOI: 10.34194/raekke3.v33.6938. Disponível em: https://geusjournals.org/index.php/raekke3/article/view/6938. Acesso em: 19 oct. 2025.