Cosmology and thermodynamics of FLRW universe with bulk viscous stiff fluid Titus K. Mathew, M. B. Aswathy and M. Manoj Eur. Phys. J. C, 74 12 (2014) 3188 Published online: 09 December 2014 DOI: 10.1140/epjc/s10052-014-3188-5