TY  - RPRT
TI  - A precision frequency standard for x-band 
AU  - Thompson, M C Jr
AU  - Vetter, M J
AU  - Waters, Donald M
PY  - 1958
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 5548
DO  - 10.6028/NBS.RPT.5548
ER  -