SCARASCIA MUGNOZZA, G. The Covid-19 pandemic and the black swan. Italian journal of engineering geology and environment, [S. l.], n. 1, p. 3, 2020. DOI: 10.4408/IJEGE.2020-01.O-ED. Disponível em: https://rosa.uniroma1.it/rosa02/engineering_geology_environment/article/view/1014. Acesso em: 5 may. 2024.