Lagani, V., G. Athineou, A. Farcomeni, M. Tsagris, and I. Tsamardinos. “Feature Selection With the R Package MXM: Discovering Statistically Equivalent Feature Subsets”. Journal of Statistical Software, vol. 80, no. 7, Sept. 2017, pp. 1-25, doi:10.18637/jss.v080.i07.