1. Far UV-C radiation: An emerging tool for pandemic control
2. ASTM E179-17, “Standard guide for selection of geometric conditions for measurement of reflection and transmission properties of materials.”
3. CIE 130-1998, “Practical methods for the measurement of reflectance and transmittance.”
4. ASTM E259-15, “Standard practice for preparation of pressed powder white reflectance factor transfer standards for hemispherical and bi-directional geometries.”