Martínez Montes, Eduardo, 		Lage Castellanos, Agustín, 		Canales Rodríguez, Erick, 		Iturria Medina, Yasser, AND 		Valdés Sosa, Pedro A..
"The Brain as a Complex System: Estimating the Brain Connectivity" <em>Revista Cubana de Física</em> [Online], Volume 23 Number 2 (1 December 2006)