1. Hunter, R.S.: Methods of determining gloss. NBS research paper RP 958. J. Res. NBS. 18(77), 281 (1937)
2. Jones, L.A.: The gloss characteristics of photographic papers. J. Opt. Soc. Am. 6, 140 (1922)
3. CIE 015:2018 Colorimetry, 4th Edition, Commission Internationale de L’eclairage, Vienna, Austria (2018)
4. Gloss Meter Industry Standards. Available at: http://www.gloss-meters.com/GlossIntro5.html. Accessed 24 Dec 2019