MACHADO, C.; MACHADO, A.; PALOMAR, T.; CERQUEIRA ALVES, L.; VILARIGUES, M. Debitus grisailles for stained-glass conservation: an analytical study. Conservar Património, [S. l.], v. 34, p. 65–72, 2020. DOI: 10.14568/cp2018067. Disponível em: https://conservarpatrimonio.pt/article/view/21439. Acesso em: 29 may. 2023.