TY  - RPRT
TI  - Modified optical Bloch equations for solids.
AU  - PR Berman
AU  - RG Brewer
PY  - 1985
DO  - 10.1103/physreva.32.2784
UR  - https://pubmed.ncbi.nlm.nih.gov/9896419/
ID  - 9896419
ER  -