@article{13713, author = {{Palummo, M and Pulci, O and Sole, R Del and Marini, A and Hahn, P and Schmidt, Wolf Gero and Bechstedt, F}}, issn = {{0953-8984}}, journal = {{Journal of Physics: Condensed Matter}}, pages = {{S4313--S4322}}, title = {{{The Betheā€“Salpeter equation: a first-principles approach for calculating surface optical spectra}}}, doi = {{10.1088/0953-8984/16/39/006}}, volume = {{16}}, year = {{2004}}, }