TY  - RPRT
TI  - Interference between nonresonant three-photon absorption and third-harmonic generation and the cancellation of four-photon resonances.
AU  - M Elk
AU  - P Lambropoulos
AU  - X Tang
PY  - 1991
DO  - 10.1103/physreva.44.r31
UR  - https://pubmed.ncbi.nlm.nih.gov/9905748/
ID  - 9905748
ER  -