TY  - RPRT
TI  - Ionization potentials, appearance potentials, and heats of formation of gaseous positive ions 
AU  - Franklin, Joseph L
AU  - Dillard, J G
AU  - Rosenstock, Henry M
AU  - Herron, John T
AU  - Draxl, Keith
AU  - Field, Frank H
PY  - 1969
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS NSRDS 26
DO  - 10.6028/NBS.NSRDS.26
ER  -