DAVIDSON, D. F. Compilation and Distribution of Mineral Resource Information in the United States. Journal of Information and Knowledge, [S. l.], v. 15, n. 1, p. 64–67, 1978. DOI: 10.17821/srels/1978/v15i1/50539. Disponível em: https://srels.org/index.php/sjim/article/view/50539. Acesso em: 10 jan. 2025.