CILARDO, A. .; MAZZEO, A. .; ROMANO, . L. .; SAGGESE, . G. .; CATTANEO, G. . A Web Services Based Architecture for Digital Time Stamping. Journal of Web Engineering, [S. l.], v. 2, n. 3, p. 148–175, 2004. Disponível em: https://journals.riverpublishers.com/index.php/JWE/article/view/4367. Acesso em: 16 aug. 2024.