TY  - RPRT
TI  - Colorimetry and spectrophotometry : a bibliography of NBS publications January 1906 through January 1973
AU  - Kelly, Kenneth L
PY  - 1974
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS SP 393
DO  - 10.6028/NBS.SP.393
ER  -