KATZ, M. Red-Black Heuristics for Planning Tasks with Conditional Effects. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 33, n. 01, p. 7619-7626, 2019. DOI: 10.1609/aaai.v33i01.33017619. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/4755. Acesso em: 27 jun. 2022.