1. R. Tsu, Superlattice to Nanoelectronics, Elsiever, Amsterdam (2011).
2. V. A. Kul’bachinskii, Two-, One-, and Zero-Dimensional Structures and Superlattices [in Russian], Publishing House of the Physical Faculty of Moscow State University, Moscow (1998).
3. M. A. Herman, Semiconductor Superlattices [Russian translation], Mir, Moscow (1989).
4. H. Lipsanen and J. Tulkki, Phys. Rev. В, 62, 1592 (2000).
5. F. Schafer, J. P. Reithmaier, and A. Forchel, Appl. Phys. Lett., 74, 2915 (1999).