Dunkler, Daniela, Willi Sauerbrei, and Georg Heinze. “Global, Parameterwise and Joint Shrinkage Factor Estimation”. Journal of Statistical Software 69, no. 8 (March 11, 2016): 1–19. Accessed December 14, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v069i08.