Scutari, Marco. “Bayesian Network Constraint-Based Structure Learning Algorithms: Parallel and Optimized Implementations in the Bnlearn R Package”. Journal of Statistical Software 77, no. 2 (March 31, 2017): 1–20. Accessed December 4, 2021. https://www.jstatsoft.org/index.php/jss/article/view/v077i02.