HANSEN., K. Heinrich, E.W.: Microscopic Petrography. McGraw-Hill Series in the geological Sciences. New York, London 1956. 296 sider, 70 fig. Geografisk Tidsskrift, [S. l.], v. 56, 1957. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/46307. Acesso em: 25 apr. 2024.