@InProceedings{SCI:Zha2013b,
  author =    "M. Zhang and P.T. Fletcher",
  title =     "Probabilistic Principal Geodesic Analysis",
  booktitle = "Proceedings of the 2013 Conference on Neural
              Information Processing Systems ({NIPS})",
  pages =     "(accepted)",
  year =      "2013",
  url =       "http://www.sci.utah.edu/publications/zhang13/Zhang_NIPS2013.pdf",
}