Universe described by dark energy in the form of wet dark fluid (WDF) in higher-dimensional space-time G. C. Samanta, S. Jaiswal and S. K. Biswal Eur. Phys. J. Plus, 129 3 (2014) 48 Published online: 26 March 2014 DOI: 10.1140/epjp/i2014-14048-8