GRADIN, Carlos. Polarization and Inequality in Spain: 1973-91. Journal of Income Distribution®, [S. l.], v. 11, n. 1, 2002. DOI: 10.25071/1874-6322.1243. Disponível em: https://jid.journals.yorku.ca/index.php/jid/article/view/1243. Acesso em: 1 may. 2024.