BLACK, Donald V. Creation of Computer Input in an Expanded Character Set. Information Technology and Libraries, [S. l.], v. 1, n. 2, p. 110–120, 1968. DOI: 10.6017/ital.v1i2.2928. Disponível em: https://ital.corejournals.org/index.php/ital/article/view/2928. Acesso em: 28 apr. 2024.