BERCHER, P. A Closer Look at Causal Links: Complexity Results for Delete-Relaxation in Partial Order Causal Link (POCL) Planning. Proceedings of the International Conference on Automated Planning and Scheduling, [S. l.], v. 31, n. 1, p. 36-45, 2021. DOI: 10.1609/icaps.v31i1.15944. Disponível em: https://ojs.aaai.org/index.php/ICAPS/article/view/15944. Acesso em: 28 sep. 2022.