@inproceedings{ijcai2009p170,
  title     = {Angluin-Style Learning of NFA},
  author    = {Bollig, Benedikt and Habermehl, Peter and Kern, Carsten and Leucker, Martin},
  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     = {1004--1008},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/170},
}