Stochastic resonance of charge carriers diffusing in a nonhomogeneous medium with nonhomogeneous temperature Berhanu Aragie, Yergou B. Tatek and Mulugeta Bekele Eur. Phys. J. B, 87 5 (2014) 101 Published online: 01 May 2014 DOI: 10.1140/epjb/e2014-50129-x