@Inproceedings{EPTCS158.4,
  author    = {Barr, Katie and Kendon, Viv},
  year      = {2014},
  title     = {The expressive power of quantum walks in terms of language acceptance},
  editor    = {Duncan, Ross and Panangaden, Prakash},
  booktitle = {{\rm Proceedings 9th Workshop on}
               Quantum Physics and Logic,
               {\rm Brussels,  Belgium, 10-12 October 2012}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {158},
  publisher = {Open Publishing Association},
  pages     = {39-51},
  doi       = {10.4204/EPTCS.158.4},
}