1. ILV: International Lighting Vocabulary 2011 www.eilv.cie.co.at/
2. Physics of structural colors;Kinoshita;Rep. Prog. Phys,2008
3. http://www.britannica.com/EBchecked/topic/527235/schemochrome 2015
4. Beiträge zur Optik Truber Medien, speziell kolloidaler Metallösungen;Mie;Annal. Phys.,1908
5. The effect of pigment volume concentration and film thickness on optical properties of surface coatings;Craker;J. Oil Colour Chem. Assoc.,1967