Van Aelst, Stefan, and Gert Willems. “Fast and Robust Bootstrap for Multivariate Inference: The R Package FRB”. Journal of Statistical Software 53, no. 3 (April 21, 2013): 1–32. Accessed April 26, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v053i03.