ABARCA, Javier. Graffiti on trains, photography and Subterráneos. Street Art & Urban Creativity, [S. l.], v. 4, n. 1, p. 142–143, 2018. DOI: 10.25765/sauc.v4i1.135. Disponível em: https://visualcompublications.es/SAUC/article/view/5535. Acesso em: 26 apr. 2025.