1. Sliwinski, T.R., Pipoly, R.A., Blonski, R.P., Infrared Reflective Color Pigment, in, US Patent 20010022151, 2001.
2. Swiler, E.A. Axtell, Rare Earth Manganese Oxide Pigments, U.S. Patent No. 6,541,112, (2003).
3. The synthesis, characterization and optical properties of silicon and praseodymium doped Y6MoO12 compounds: environmentally benign inorganic pigments with high NIR reflectance;George;Dyes and Pigments,2011
4. Near-infrared reflecting inorganic pigments based on molybdenum and praseodymium doped yttrium cerate: synthesis, characterization and optical properties;Vishnu;Solar Energy Materials,2011
5. Sakoske, E. George, Sarver, E. Joseph , Novotny, Miroslav, Bismuth Manganese Oxide Pigments, US Patent 6221147, (2001).