TY  - JOUR
AU  - Sansonetti, Craig
AU  - Gillaspy, John
C2  - Physical Review A (Atomic, Molecular and Optical Physics)
DA  - 1992-01-01
LA  - en
M1  - 45
PB  - Physical Review A (Atomic, Molecular and Optical Physics)
PY  - 1992
TI  - Absolute Ionization Energy of the 2<sup>1</sup>S Level of Helium
ER  -