1. M. A. Green, Solar Cells: Operating Principles, Technology and Systems Application (Prentice Hall Englewood Cliffs, N.J., 1982).
2. M. A. Green, Third Generation Photovoltaics. Advanced Solar Energy Conversion (Springer, Berlin, 2003).
3. R. E. I. Schropp and M. Zeman, Amorphous and Microcrystalline Silicon Solar Cells: Modeling, Materials, and Device Technology (Kluwer Academic, Boston, 1998).
4. W. G. J. H. M. Van Sark, in Thin Films and Nanostructures, Ed. by M. H. Francombe (Academic, San Diego, 2002), Vol. 30, p. 1.
5. R. E. I. Schropp, unpublished results.