Quantitative complexity analysis in multi-channel intracranial EEG recordings form epilepsy brains. - Chang-Chia Liu; Panos M. Pardalos; Wanpracha Art Chaovalitwongse; Deng-Shan Shiau; Georges Ghacibeh; Wichai Suharitdamrong; J. Chris Sackellares (J. Comb. Optim., 2008)