TY  - RPRT
TI  - Pressure type liquid level gages 
AU  - Schoonover, R M
AU  - Houser, J F
PY  - 1971
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 10396
DO  - 10.6028/NBS.RPT.10396
ER  -