TY  - RPRT
TI  - Optical radiation measurements : the NBS 20-, 60-, and 85- degree specular gloss scales
AU  - Hsia, Jack J
PY  - 1975
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 594-10
DO  - 10.6028/NBS.TN.594-10
ER  -