Rovner, A., Sievers, S. and Helmert, M. 2021. Counterexample-Guided Abstraction Refinement for Pattern Selection in Optimal Classical Planning. Proceedings of the International Conference on Automated Planning and Scheduling. 29, 1 (May 2021), 362-367. DOI:https://doi.org/10.1609/icaps.v29i1.3499.