TY  - RPRT
TI  - Radio frequency liquid level gauging in propane tank car safety tests - a feasibility study 
AU  - Siegwarth, J D
PY  - 1979
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 79-1600
DO  - 10.6028/NBS.IR.79-1600
ER  -