TY  - RPRT
TI  - Cryogenic fluids density reference system : provisional accuracy statement (1980)
AU  - Siegwarth, J D
PY  - 1981
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 1041
DO  - 10.6028/NBS.TN.1041
ER  -