LOPES, David; MACHADO, Graciela. Photomechanical crossroads - Comparing 19th-Century Chromocupography and Charles Eckstein’s method from a Printmaker’s Perspective. Revelar: Revista de Estudos da Fotografia e Imagem, [S. l.], v. 7, 2024. Disponível em: http://84.247.136.72/ojsletrasX/index.php/RL/article/view/14503. Acesso em: 29 jul. 2025.