2022ASTM E1349-06(2022) Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Bidirectional (45°:0° or 0°:45°) Geometry
2018ASTM E1349-06(2018) Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Bidirectional (45°:0° or 0°:45°) Geometry
2006ASTM E1349-06(2013) Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Bidirectional (45deg;:0deg; or 0deg;:45deg;) Geometry
2006ASTM E1349-06 Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Bidirectional (45:0 or 0:45) Geometry
1990ASTM E1349-90(1998) Standard Test Method for Reflectance Factor and Color by Spectrophotometry Using Bidirectional Geometry