1. ASTM, 1998, “Standard Test Methods for Electrical Performance of Nonconcentrator Terrestrial Photovoltaic Modules and Arrays Using Reference Cells, Standard E1036.” American Society for Testing and Materials, West Conshohocken, PA.
2. Osterwald, C. R., 1992, “Photovoltaic Standards Development Within ASTM,” in Photovoltaic Advanced Research and Development Projects, 11th Review Meeting, AIP Conf. Proc. 268, Denver, AIP, New York.
3. Bird, R. E., Hulstrom, R. L., and Lewis, L. J., 1983, “Terrestrial Solar Spectral Data Sets,” Sol. Energy, 30(6), pp. 563–573.
4. ASTM, 1987, “Standard Tables for Terrestrial Direct Normal Solar Spectral Irradiance for Air Mass 1.5,” American Society for Testing and Materials, Philadelphia, PA.
5. ASTM, 1987, “Standard Tables for Terrestrial Solar Spectral Irradiance at Air Mass 1.5 for a 37° Tilted Surface,” American Society for Testing and Materials, Philadelphia, PA.