@InProceedings{dowson06unifying,
  author = 	 {Dowson, N. and Bowden, R.},
  title = 	 {A Unifying Framework for Mutual Information methods for use in Non-linear Optimisation},
  booktitle = {Proc. 9th European Conf. on Computer Vision},
  pages = 	 {365--378},
  year = 	 {2006},
  editor = 	 {Leonardis, A. and Bischof, H. and Prinz, A.},
  volume = 	 {1},
  address = 	 {Graz, Austria},
  month = 	 {May},
  OPTpublisher = {Springer Verlag},
  note =	 {http://www.ee.surrey.ac.uk/personal/n.dowson/papers/dowson06unifying.pdf},
}