@misc{indiciae867057c9ffe9, title = {Two-photon processes in real atoms.}, author = {F Robicheaux and B Gao}, year = {1991}, doi = {10.1103/physrevlett.67.3066}, url = {https://pubmed.ncbi.nlm.nih.gov/10044632/}, note = {Source identifier: 10044632} }