1. ASTM Designation E 490-73a: Standard Solar Constant and Air Mass Zero Solar Spectral Irradiance Tables, American Society for Testing and Materials, Philadelphia, PA.
2. ASTM Designation E 891-87: Standard Tables for Terrestrial Direct Normal Spectral Irradiance for Air Mass 1.5, American Society for Testing and Materials, Philadelphia, PA.
3. Theoretical computation of light scattering power: comparison between TiO2 and air bubbles;Ross;J. Paint Technol.,1971
4. Predicting reflectance and color of paint films by Kubelka–Munk analysis. I. Turbid medium theory;Billmeyer;J. Paint Technol.,1973
5. Pigmented microvoid coatings—theoretical study of three models;Kerker;J. Paint Technol.,1975