TY  - RPRT
TI  - Sub-Doppler light amplification in a coherently pumped atomic system.
AU  - Y Zhu
AU  - J Lin
PY  - 1996
DO  - 10.1103/physreva.53.1767
UR  - https://pubmed.ncbi.nlm.nih.gov/9913070/
ID  - 9913070
ER  -