TY  - RPRT
TI  - Multichannel quantum-defect approach for two-photon processes.
AU  - F Robicheaux
AU  - B Gao
PY  - 1993
DO  - 10.1103/physreva.47.2904
UR  - https://pubmed.ncbi.nlm.nih.gov/9909258/
ID  - 9909258
ER  -