Photoreflectance characterization of InAs/GaAs self-assembled quantum dots grown by ALMBE M. Geddo, R. Ferrini, G. Guizzetti, M. Patrini, S. Franchi, P. Frigeri, G. Salviati and L. Lazzarini Eur. Phys. J. B, 16 1 (2000) 19-24 Published online: 15 July 2000 DOI: 10.1007/s100510070244