DA COSTA, Antonio Carlos Augusto; CORRÊA, Fernanda do Nascimento; SANT’ANNA, Gustavo de Souza. A Timeline of Analytical Techniques for Characterization and Treatment of Iron-gall Ink – A Brief Overview of the Last Two Decades. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 31, n. 1, p. 249–264, 2017. Disponível em: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/2931. Acesso em: 17 sep. 2025.