FERGER, Edwin. Building Regional Data Files in the Federal Republic of Germany. IASSIST Quarterly, [S. l.], v. 9, n. 3-4, p. 20, 1986. DOI: 10.29173/iq137. Disponível em: https://iassistquarterly.com/index.php/iassist/article/view/137. Acesso em: 10 jan. 2025.