Lopes , David, and Graciela Machado. “The Use of 19th - Century Cartography Printing Processes in Contemporary Printmaking”. IMPACT Printmaking Journal, no. 1 (January 13, 2023): 24. Accessed April 29, 2024. https://impact-journal-cfpr.uwe.ac.uk/index.php/impact/article/view/84.