Determination of the interactions in confined macroscopic Wigner islands: theory and experiments P. Galatola, G. Coupier, M. Saint Jean, J.-B. Fournier and C. Guthmann Eur. Phys. J. B, 50 4 (2006) 549-557 Published online: 17 May 2006 DOI: 10.1140/epjb/e2006-00183-0