@inproceedings{ijcai2017p68,
  author    = {Pascal Bercher and Gregor Behnke and Daniel Höller and Susanne Biundo},
  title     = {An Admissible HTN Planning Heuristic},
  booktitle = {Proceedings of the Twenty-Sixth International Joint Conference on
               Artificial Intelligence, {IJCAI-17}},
  pages     = {480--488},
  year      = {2017},
  doi       = {10.24963/ijcai.2017/68},
  url       = {https://doi.org/10.24963/ijcai.2017/68},
}