Nordhausen, Klaus, Markus Matilainen, Jari Miettinen, Joni Virta, and Sara Taskinen. “Dimension Reduction for Time Series in a Blind Source Separation Context Using R”. Journal of Statistical Software 98, no. 15 (July 12, 2021): 1–30. Accessed April 24, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v098i15.