1. Aguilera, J.A., Krisl, M.E., Howard, W.H., 2000. Solar cell cover and coating. US Patent 6,107,564.
2. Design of multilayer filters by successive approximations;Baumeister;Journal of the Optical Society of America,1958
3. Beauchamp, W.T., Tuttle-Hart, T., 1995. UV/IR reflecting solar cell cover. US Patent 5,449,413.
4. Refining and optimization in multilayers;Bloom;Applied Optics,1981
5. Buie, D., Imenes, A.G., 2003. A solar and vector class for the optical simulation of solar concentrating systems. In: Proceedings of the ISES Solar World Congress, June 14–19, Gothenburg, Sweden, P6 76. Raytrace program at: www.physics.usyd.edu.au/buie/code/.