Wittek, Peter, Shi Chao Gao, Ik Soo Lim, and Li Zhao. “Somoclu: An Efficient Parallel Library for Self-Organizing Maps”. Journal of Statistical Software 78, no. 9 (June 9, 2017): 1–21. Accessed April 28, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v078i09.