TY  - RPRT
TI  - Design, construction, and testing of a new high accuracy spectrophotometer 
AU  - Mielenz, K D
AU  - Eckerle, K L
PY  - 1972
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 729
DO  - 10.6028/NBS.TN.729
ER  -