Vinod, A. P.; Thomas, Kavitha P.: 'Neurofeedback games using EEG-based brain–computer interface technology' (Control, Robotics and Sensors, 2018), 'Signal Processing and Machine Learning for Brain-Machine Interfaces', Chap. 14, pp. 301-329, DOI: 10.1049/PBCE114E_ch14
IET Digital Library, https://digital-library.theiet.org/;jsessionid=f2zqh8qniyo1.x-iet-live-01content/books/10.1049/pbce114e_ch14