@inproceedings{ijcai2009p236,
  title     = {Improving State Evaluation, Inference, and Search in Trick-Based Card Games},
  author    = {Buro, Michael and Long, Jeffrey Richard and Furtak, Timothy and Sturtevant, Nathan R.},
  booktitle = {Proceedings of the Twenty-First International Joint Conference on
               Artificial Intelligence, {IJCAI-09}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Hiroaki Kitano},
  pages     = {1407--1412},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/236},
}