PHILLIPS, W.J.; SHEPHERD, M.A. Statistical Analysis of the Rank-Frequency Distribution of Elements in a Large Database. Proceedings of the Annual Conference of CAIS / Actes du congrès annuel de l’ACSI, [S. l.], 2022. Disponível em: https://journals.library.ualberta.ca/ojs.cais-acsi.ca/index.php/cais-asci/article/view/1614. Acesso em: 3 may. 2024.