Shell structure and electron-electron interaction in self-assembled InAs quantum dotsM. Fricke, A. Lorke, J. P. Kotthaus, G. Medeiros-Ribeiro and P. M. PetroffEurophys. Lett., 36 3 (1996) 197-202DOI: https://doi.org/10.1209/epl/i1996-00210-x