COLONNESE, F.; CARPICECI, M. Hermann Maertens’ Der Optischemaassstab and the Photography of Architecture. img journal, [S. l.], v. 2, n. 3, p. 198–215, 2020. DOI: 10.6092/issn.2724-2463/12255. Disponível em: https://img-journal.unibo.it/article/view/12255. Acesso em: 25 apr. 2024.