TY  - RPRT
TI  - Cryogenic fluids density reference system : provisional accuracy statement
AU  - Younglove, B A
AU  - Siegwarth, J D
PY  - 1977
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 77-852
DO  - 10.6028/NBS.IR.77-852
ER  -