TY  - RPRT
TI  - Frequency shift in three-photon resonance.
AU  - R Friedberg
AU  - SR Hartmann
AU  - JT Manassah
PY  - 1989
DO  - 10.1103/physreva.39.93
UR  - https://pubmed.ncbi.nlm.nih.gov/9900991/
ID  - 9900991
ER  -