@Inproceedings{EPTCS95.19,
  author    = {Wilce, Alexander},
  year      = {2012},
  title     = {Symmetry and Self-Duality in Categories of Probabilistic Models},
  editor    = {Jacobs, Bart and Selinger, Peter and Spitters, Bas},
  booktitle = {{\rm Proceedings 8th International Workshop on}
               Quantum Physics and Logic,
               {\rm Nijmegen, Netherlands, October 27-29, 2011}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {95},
  publisher = {Open Publishing Association},
  pages     = {275-279},
  doi       = {10.4204/EPTCS.95.19},
}