da Costa, A. C. A., Corrêa, F. do N. and Sant’anna, G. de S. (2017) “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, 31(1), pp. 249–264. Available at: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/2931 (Accessed: 2 May 2024).