STI-GMaS: an open-source environment for simulation of sexually-transmitted infections. - Martin R. Nelson; Kelly J. Sutton; Bindi S. Brook; Dann G. Mallet; Daniel P. Simpson; Roger G. Rank (BMC Syst. Biol., 2014)

Parameter estimation in high dimensional Gaussian distributions. - Erlend Aune; Daniel P. Simpson; Jo Eidsvik (Stat. Comput., 2014)