TY  - RPRT
TI  - Optical-frequency conversion in gaseous media.
AU  - A Lago
AU  - G Hilber
AU  - R Wallenstein
PY  - 1987
DO  - 10.1103/physreva.36.3827
UR  - https://pubmed.ncbi.nlm.nih.gov/9899318/
ID  - 9899318
ER  -