Sancho Salcedo-Sanz, José Antonio Portilla-Figueras, Emilio G. Ortíz-García, Ángel M. Pérez-Bellido, Christopher Thraves, Antonio Fernández Anta, Xin Yao. Optimal switch location in mobile communication networks using hybrid genetic algorithms. Appl. Soft Comput., 8(4):1486-1497, 2008. [doi]