TY  - RPRT
TI  - Spark source mass spectrograph program, July 1964 to June 1965 
AU  - Branch, Paul E
AU  - Paulsen, Paul Johann
PY  - 1966
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 286
DO  - 10.6028/NBS.TN.286
ER  -