@article{JMLR:v9:nickisch08a,
  author  = {Hannes Nickisch and Carl Edward Rasmussen},
  title   = {Approximations for Binary Gaussian Process Classification},
  journal = {Journal of Machine Learning Research},
  year    = {2008},
  volume  = {9},
  number  = {67},
  pages   = {2035--2078},
  url     = {http://jmlr.org/papers/v9/nickisch08a.html}
}