TY  - RPRT
TI  - Ionization potentials and ionization limits derived from the analyses of optical spectra 
AU  - Moore, Charlotte E
PY  - 1970
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS NSRDS 34
DO  - 10.6028/NBS.NSRDS.34
ER  -