@inproceedings{ijcai2001p59,
  title     = {Total-Order Planning with Partially Ordered Subtasks},
  author    = {Nau, Dana S. and Muñoz-Avila, Héctor and Cao, Yue and Lotem, Amnon and Mitchell, Steven},
  booktitle = {Proceedings of the Seventeenth International Joint Conference on
               Artificial Intelligence, {IJCAI-01}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  pages     = {425--429},
  year      = {2001},
  url       = {https://ijcai.org/proceedings/2001/59},
}