Bcm Chess, 17 Mar 2015 Nonlinear analysis of EEG in chess players http://www.epjnonlinearbiomedphys.com/content/3/1/1/abstract
British Chess Magazine, 17 Mar 2015 Nonlinear analysis of EEG in chess players http://www.epjnonlinearbiomedphys.com/content/3/1/1/abstract