Structural and elastic properties of Zr2AlX and Ti2AlX (X = C and N) under pressure effect A. Bouhemadou, R. Khenata and M. Chegaar Eur. Phys. J. B, 56 3 (2007) 209-215 Published online: 04 May 2007 DOI: 10.1140/epjb/e2007-00115-6