@inproceedings{Chickering95uai,
  author =	 "David Maxwell Chickering",
  title =	 "A Transformational Characterization of Equivalent
                  {Bayesian} Network Structures",
  year =	 1995,
  Booktitle =	 "Proceedings of Eleventh Conference on Uncertainty in
                  Artificial Intelligence, {\rm Montreal, QU}",
  publisher =	 "Morgan Kaufmann",
  Month =	 "August",
  editors =	 "S. Hanks and P. Besnard",
  pages =	 "87-98",
}