LANGUETIN, P. The EMF: external relations. A comment. PSL Quarterly Review, [S. l.], v. 33, n. 134, 2013. DOI: 10.13133/2037-3643/10717. Disponível em: https://rosa.uniroma1.it/rosa04/psl_quarterly_review/article/view/10717. Acesso em: 2 may. 2024.