TY  - RPRT
TI  - Model for laser action in vibronic systems.
AU  - P Schwendimann
AU  - E Sigmund
AU  - K Zeile
PY  - 1988
DO  - 10.1103/physreva.37.3018
UR  - https://pubmed.ncbi.nlm.nih.gov/9900037/
ID  - 9900037
ER  -