@inproceedings{torralba-et-al_ijcai2016,
  author       = {Torralba, Álvaro and Lopez, Carlos Linares and Borrajo, Daniel},
  pages        = {3272 -- 3278},
  title        = {Abstraction heuristics for symbolic bidirectional search},
  year         = 2016,
  editor       = {Subbarao Kambhampati},
  booktitle    = {Proceedings of the 25th International Joint Conference on Artificial
    Intelligence (IJCAI 2016)},
  publisher    = {AAAI Press},
}