LAHEY, K. E. Index Vol 6. Financial Services Review, [S. l.], v. 6, n. 4, p. 299–301, 1997. DOI: 10.1016/S1057-0810(97)90008-1. Disponível em: https://openjournals.libs.uga.edu/fsr/article/view/3839. Acesso em: 21 nov. 2024.