TY  - RPRT
TI  - Negative surface-plasmon dispersion coefficient: A physically illustrative, exact formula.
AU  - PJ Feibelman
AU  - KD Tsuei
PY  - 1990
DO  - 10.1103/physrevb.41.8519
UR  - https://pubmed.ncbi.nlm.nih.gov/9993180/
ID  - 9993180
ER  -