TY  - RPRT
TI  - Radiometer equation and analysis of systematic errors for the NIST automated radiometers 
AU  - Daywitt, William C
PY  - 1989
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 1327
DO  - 10.6028/NIST.TN.1327
ER  -