@misc{indiciae6f5153cf7ce6, title = {Lasers without inversion: Two-photon stimulated emission in a three-level atom.}, author = {C Mavroyannis}, year = {1992}, doi = {10.1103/physreva.46.r6785}, url = {https://pubmed.ncbi.nlm.nih.gov/9908083/}, note = {Source identifier: 9908083} }