TY  - RPRT
TI  - Extension of a reference spectrophotometer into the near infrared 
AU  - Eckerle, Kenneth L
PY  - 1983
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 1175
DO  - 10.6028/NBS.TN.1175
ER  -