TY  - RPRT
TI  - Two-photon transitions in atomic inner shells: Relativistic self-consistent-field calculation for Xe.
AU  - X Mu
AU  - B Crasemann
PY  - 1986
DO  - 10.1103/physrevlett.57.3039
UR  - https://pubmed.ncbi.nlm.nih.gov/10033938/
ID  - 10033938
ER  -