@InProceedings{kelly-etal-aiide08,
  author =     {J.-P. Kelly and A. Botea and S. Koenig},
  title =      {Offline Planning with Hierarchical Task Networks in Video Games},
  booktitle =  {Proceedings of the Fourth International Conference on Artificial Intelligence and Interactive Digital Entertainment AIIDE-08},
  pages =      {60--65},
  year =       {2008}
}