TY  - RPRT
TI  - Spectral reflectance 
AU  - Barnes, P Yvonne
AU  - Early, Edward A
AU  - Parr, Albert C
PY  - 1998
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST SP 250-48
DO  - 10.6028/NIST.SP.250-48
ER  -