TY  - RPRT
TI  - Multiphoton absorption probabilities in strong laser fields with application to H-
AU  - X Mu
PY  - 1990
DO  - 10.1103/physreva.42.2944
UR  - https://pubmed.ncbi.nlm.nih.gov/9904363/
ID  - 9904363
ER  -