TY  - RPRT
TI  - Collaborative reference program for color and appearance : retroreflectance Report no. 5
AU  - Horlick, J
AU  - Stevenson, J
PY  - 1978
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 78-1355
DO  - 10.6028/NBS.IR.78-1355
ER  -