Hintz, Erik, Marius Hofert, and Christiane Lemieux. “Multivariate Normal Variance Mixtures in R: The R Package Nvmix”. Journal of Statistical Software 102, no. 2 (April 30, 2022): 1–31. Accessed May 26, 2022. https://www.jstatsoft.org/index.php/jss/article/view/v102i02.