First-principles study of elastic and structural properties of Zr3Al3C5 W. Feng, C.Q. Xu, S. Cui, H. Hu, G.Q. Zhang and Z.T. Lv Eur. Phys. J. B, 85 11 (2012) 391 Published online: 29 November 2012 DOI: 10.1140/epjb/e2012-30532-1