TY  - JOUR
AU  - James Sims
AU  - Stanley Hagstrom
C2  - International Journal of Quantum Chemistry
DA  - 2002-04-01
LA  - en
M1  - 90
PB  - International Journal of Quantum Chemistry
PY  - 2002
TI  - High Precision Hy-CI Variational Calculations for the Ground State of Neutral Helium and Helium-Like ions
UR  - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=150834
ER  -