Caramella, L., Onida, G., Finocchi, F., Reining, L., & Sottile, F. (2007). Optical properties of real surfaces: Local-field effects at oxidized Si(100)(2x2) computed with an efficient numerical scheme. Phys. Rev. B, 75. https://doi.org/10.1103/PhysRevB.75.205405 (Original work published 2025)