A density functional study of small AlxOy (x,y = 1-4) clusters and their thermodynamic properties A. B.C. Patzer, Ch. Chang, E. Sedlmayr and D. Sülzle Eur. Phys. J. D, 32 3 (2005) 329-337 Published online: 15 February 2005 DOI: 10.1140/epjd/e2005-00026-8