GUPTA, D. K. A Comparative Analysis of Obsolescence of Periodical Literature of Petroleum Geology. Journal of Information and Knowledge, [S. l.], v. 22, n. 2, p. 86–98, 1985. DOI: 10.17821/srels/1985/v22i2/49438. Disponível em: https://srels.org/index.php/sjim/article/view/49438. Acesso em: 4 mar. 2025.