TY  - RPRT
TI  - Coherent population trapping in N-level quantum systems.
AU  - FT Hioe
AU  - CE Carroll
PY  - 1988
DO  - 10.1103/physreva.37.3000
UR  - https://pubmed.ncbi.nlm.nih.gov/9900034/
ID  - 9900034
ER  -