PICO, Ramón. Aerial art, the new landscape of Robert Smithson. Journal of Architecture and Urbanism, [S. l.], v. 43, n. 2, p. 181–191, 2019. DOI: 10.3846/jau.2019.10354. Disponível em: https://journals.vilniustech.lt/index.php/JAU/article/view/10354. Acesso em: 9 may. 2025.