TY - JOUR T1 - Extending CSP to detect motor imagery in a four-class BCI JO - Journal of Information and Computational Science PY - 2012/01/01 AU - Fang Y AU - Chen M AU - Zheng X AU - Harrison RF ED - VL - 9 IS - 1 SP - 143 EP - 151 Y2 - 2024/12/26 ER -