@misc{indiciaeb3bab39f00f4, title = {Search for multiphoton-induced inner-shell excitations.}, author = {PH Lee and DE Casperson and GT Schappert}, year = {1989}, doi = {10.1103/physreva.40.1363}, url = {https://pubmed.ncbi.nlm.nih.gov/9902270/}, note = {Source identifier: 9902270} }