Meng, J., Yao, L., Sheng, X., Zhang, D., & Zhu, X. (2015). Simultaneously Optimizing Spatial Spectral Features Based on Mutual Information for EEG Classification IEEE Transactions on Biomedical Engineering, 62. https://doi.org/https://doi.org/10.1109/TBME.2014.2345458 (Original work published 2015)