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2. “Standard Test Method for Specular Gloss, ASTM D 523,” American Society for Testing and Materials, West Conshohocken, PA (1995).
3. International Standard ISO 2813, “Paint and Varnishes-Measurements of Specular Gloss of Nonmetallic Paint Films at 20, 60, and 85°,” International Organization for Standardization (1978).
4. “Standard Practice for Goniophotometry of Objects and Materials, ASTM E 167,” American Society for Testing and Materials, West Conshohocken, PA (1995).
5. Hunter, R.S., “Gloss Investigations Using Reflected Images of a Target Patters,”J. Res., 16, 359 (1936).