TY  - RPRT
TI  - A new mass spectrometer 
AU  - Mills, Robert M
AU  - Pugh, Charles C
PY  - 1959
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 6570
DO  - 10.6028/NBS.RPT.6570
ER  -