@inproceedings{stahlberg-et-al-ijcai2021,
  author       = {Simon St{\aa}hlberg and Guillem Franc{\`e}s and Jendrik Seipp},
  title        = {Learning Generalized Unsolvability Heuristics for Classical Planning},
  pages        = {4175--4181},
  editor       = {Zhi-Hua Zhou},
  booktitle    = {Proceedings of the 30th International Joint Conference on Artificial
    Intelligence (IJCAI 2021)},
  publisher    = {IJCAI},
  year         = 2021,
}