TY  - RPRT
TI  - Hydrogenic image-potential states: A critical examination.
AU  - K Giesen
AU  - F Hage
AU  - FJ Himpsel
AU  - HJ Riess
AU  - W Steinmann
PY  - 1986
DO  - 10.1103/physrevb.33.5241
UR  - https://pubmed.ncbi.nlm.nih.gov/9939021/
ID  - 9939021
ER  -