FIKES, R. E. A Representation System User Interface for Knowledge Base Designers. AI Magazine, [S. l.], v. 3, n. 4, p. 28, 1982. DOI: 10.1609/aimag.v3i4.379. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/379. Acesso em: 29 mar. 2024.