Ali K.Taki, Tayma N. Mustafa, Naz T. Jaralla, and Amaal J. Hatim. “Design of Digital Filters for Analysis of EEG Signal ”. Journal of Madenat Alelem University College, Vol. 5, no. 1, June 2013, pp. 79-107, http://116.203.176.164/index.php/JMAUC/article/view/217.