1. Proc. 23nd ICPS Berlin, ed. M. Scheffler and R. Zimmermann. (World Scientific Publ. Co., Singapore, 1996).
2. MRS Bulletin, February 1998: Semiconductor Quantum Dots.
3. J. Ding, H. Leon, T. Ishihara, M. Hagerott, A.V. Nurmikko, H. Luo, N. Samarth, and J. Furdyna, Phys. Rev. Lett 69, 1707 (1992).
4. R. Zimmermann, F. Große, and E. Runge, Pure & Appl. Chem. 69, 1179 (1997).
5. R. Zimmermann, E. Runge, and F. Große, in [1]. p. 511.