@article{JMLR:v8:raiko07a,
  author  = {Tapani Raiko and Harri Valpola and Markus Harva and Juha Karhunen},
  title   = {Building Blocks for Variational Bayesian Learning of Latent Variable Models},
  journal = {Journal of Machine Learning Research},
  year    = {2007},
  volume  = {8},
  number  = {6},
  pages   = {155--201},
  url     = {http://jmlr.org/papers/v8/raiko07a.html}
}