@Article{,
 author	     = {Jarno Vanhatalo and Jaakko Riihimäki and Jouni
                Hartikainen and Pasi Jylänki and Ville Tolvanen and
                Aki Vehtari},
 title	     = {GPstuff: Bayesian Modeling with Gaussian
                Processes},
 journal     = {Journal of Machine Learning Research},
 year	     = {2013},
 note	     = {in press}
}