TY  - RPRT
TI  - Collaborative reference program for color and appearance : ASTM 60° gloss Report no. 21
AU  - Horlick, J
AU  - Stevenson, J
PY  - 1977
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 77-1321
DO  - 10.6028/NBS.IR.77-1321
ER  -