@misc{indiciaeef0b1f92a687, title = {Ultrafast modulation spectroscopy in a cascade three-level system.}, author = {P Fu and X Mi and Z Yu and Q Jiang and Y Zhang and X Li}, year = {1995}, doi = {10.1103/physreva.52.4867}, url = {https://pubmed.ncbi.nlm.nih.gov/9912828/}, note = {Source identifier: 9912828} }