TY  - RPRT
TI  - Dielectric response in insulators: A wave-vector- and frequency-dependent model.
AU  - JJ Michiels
AU  - L Hedin
AU  - JE Inglesfield
PY  - 1994
DO  - 10.1103/physrevb.50.11386
UR  - https://pubmed.ncbi.nlm.nih.gov/9975269/
ID  - 9975269
ER  -