Current reversals in an inhomogeneous system with asymmetric unbiased fluctuationsBao-Quan Ai, Xian-Ju Wang, Guo-Tao Liu, Hui-Zhang Xie, De-Hua Wen, Wei Chen and Liang-Gang LiuEur. Phys. J. B, 37 4 (2004) 523-526DOI: https://doi.org/10.1140/epjb/e2004-00089-9