Estimating ground-state properties of quantum dot arrays using a local Thomas-Fermi-Dirac approximation R. Pino, A. J. Markvoort and P. A.J. Hilbers Eur. Phys. J. B, 23 1 (2001) 103-106 Published online: 15 September 2001 DOI: 10.1007/s100510170087