Quasinormal modes of four-dimensional topological nonlinear charged Lifshitz black holes Ramón Bécar, P. A. González and Yerko Vásquez Eur. Phys. J. C, 76 2 (2016) 78 Published online: 16 February 2016 DOI: 10.1140/epjc/s10052-016-3937-8