Electric field gradients in PrBa2Cu3O7: LSDA+U results and comparison with experiment V. Ghanbarian and M. R. Mohammadizadeh Eur. Phys. J. B, 61 3 (2008) 309-318 Published online: 29 February 2008 DOI: 10.1140/epjb/e2008-00080-6