Bercher P. A Closer Look at Causal Links: Complexity Results for Delete-Relaxation in Partial Order Causal Link (POCL) Planning. ICAPS [Internet]. 2021 May 17 [cited 2026 May 30];31(1):36-45. Available from: https://ojs.aaai.org/index.php/ICAPS/article/view/15944