Electronic structure and magnetic coupling in CaV2O5: spin dimer versus spin ladderX. Ming, X.-L. Wang, J.-W. Yin, C.-Z. Wang, Z.-F. Huang and G. ChenEur. Phys. J. B, 75 2 (2010) 179-185DOI: https://doi.org/10.1140/epjb/e2010-00136-0