TY  - RPRT
TI  - Trapping states in a three-level Lambda system.
AU  - JC Retamal
AU  - L Roa
AU  - C Saavedra
PY  - 1992
DO  - 10.1103/physreva.45.1876
UR  - https://pubmed.ncbi.nlm.nih.gov/9907175/
ID  - 9907175
ER  -