Electronic properties of model quantum-dot structures in zero and finite magnetic fields H. Saarikoski, E. Räsänen, S. Siljamäki, A. Harju, M. J. Puska and R. M. Nieminen Eur. Phys. J. B, 26 2 (2002) 241-252 Published online: 15 March 2002 DOI: 10.1140/epjb/e20020086