1. B.A. Andersson, Prog. Photovolt. Res. Appl. 8, 61 (2000)
2. C. Wadia, A.P. Alivisatos, D.M. Kammen, Environ. Sci. Technol. 43, 2072 (2009)
3. S.R. Taylor, S.M. McLennan, The Continental Crust: Its Composition and Evolution: An Examination of the Geochemical Record Preserved in Sedimentary Rocks (Blackwell Scientific Publication, Oxford, 1985), pp. 1–312
4. H.J. Hovel, Solar cells, in Semiconductors and Semimetals, vol. 11, ed. by R.K. Willardson (Academic, New York, 1975)
5. M. Patel, I. Mukhopadhyay, A. Ray. Semicond. Sci. Technol. 28, 055001 (2013)