Brunner P, Dijkstra K, Coon WG, Mellinger J, Ritaccio AL, Schalk G.
Towards an Auditory Attention BCI. In Brain-Computer Interface Research: A State-of-the-Art Summary [Internet]. New York City, NY: Springer International Publishing; 2015. pp. 29-42.
http://link.springer.com/chapter/10.1007%2F978-3-319-25190-5_4