Ardia, D., L. F. Hoogerheide, and H. K. van Dijk. “Adaptive Mixture of Student-T Distributions As a Flexible Candidate Distribution for Efficient Simulation: The R Package AdMit”. Journal of Statistical Software, vol. 29, no. 3, Jan. 2009, pp. 1-32, doi:10.18637/jss.v029.i03.