TY  - RPRT
TI  - Bulk excitonic effects in surface optical spectra.
AU  - P H Hahn
AU  - W G Schmidt
AU  - F Bechstedt
PY  - 2001
DO  - 10.1103/physrevlett.88.016402
UR  - https://pubmed.ncbi.nlm.nih.gov/11800974/
ID  - 11800974
ER  -