GROSZ, B.; HOBBS, J. R. Donald E. Walker: A Remembrance. AI Magazine, [S. l.], v. 15, n. 1, p. 23, 1994. DOI: 10.1609/aimag.v15i1.1076. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/1076. Acesso em: 19 apr. 2024.