TY  - RPRT
TI  - Reference tables for low-temperature thermocouples 
AU  - Sparks, Larry L
AU  - Powell, Robert L
AU  - Hall, William J
PY  - 1972
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS MONO 124
DO  - 10.6028/NBS.MONO.124
ER  -