TY  - RPRT
TI  - Measurements of optical phase variations using interfering multiphoton ionization processes.
AU  - C Chen
AU  - DS Elliott
PY  - 1990
DO  - 10.1103/physrevlett.65.1737
UR  - https://pubmed.ncbi.nlm.nih.gov/10042350/
ID  - 10042350
ER  -