VISAGIE, I. J. H.; LOMBARD, F. On the conditional distribution of the mean of the two closest among a set of three observations. South African Statistical Journal, [S. l.], v. 53, n. 2, p. 133–142, 2019. DOI: 10.37920/sasj.2019.53.2.5. Disponível em: https://www.journals.ac.za/index.php/sasj/article/view/5024. Acesso em: 3 apr. 2026.