Observation of excited states in a p-type GaAs quantum dot Y. Komijani, M. Csontos, T. Ihn, K. Ensslin, D. Reuter and A. D. Wieck EPL, 84 5 (2008) 57004 Published online: 26 November 2008 DOI: 10.1209/0295-5075/84/57004