TY  - RPRT
TI  - Surface-plasmon dispersion relation for the inhomogeneous charge-density medium.
AU  - OK Harsh
AU  - BK Agarwal
PY  - 1989
DO  - 10.1103/physrevb.39.8150
UR  - https://pubmed.ncbi.nlm.nih.gov/9947521/
ID  - 9947521
ER  -