TY  - RPRT
TI  - Optical nonlinearities in multiple quantum wells: Generalized Elliott formula.
AU  - D Campi
AU  - C Coriasso
PY  - 1995
DO  - 10.1103/physrevb.51.10719
UR  - https://pubmed.ncbi.nlm.nih.gov/9977768/
ID  - 9977768
ER  -