TY  - RPRT
TI  - Double-core resonance in two-electron atoms.
AU  - R Grobe
AU  - SL Haan
AU  - JH Eberly
PY  - 1996
DO  - 10.1103/physreva.54.1516
UR  - https://pubmed.ncbi.nlm.nih.gov/9913621/
ID  - 9913621
ER  -