@techreport{
    Honkela07techrep,
    author = "Honkela, Antti and Tornio, Matti and Raiko, Tapani and Karhunen, Juha",
    title = "Natural Conjugate Gradient in Variational Inference",
    address = "Espoo, Finland",
    number = "E10",
    note = "Available at \url{http://www.cis.hut.fi/Publications/}.",
    flags = "copy AIRC",
    year = "2007",
    impactfactor = "E",
    institution = "Helsinki University of Technology, Publications in Computer and Information Science"
}