Identification of underlayer components in the surface core-level spectra of W(111).

@article{Purcell1987IdentificationOU,
  title={Identification of underlayer components in the surface core-level spectra of W(111).},
  author={Purcell and Jupille and Derby and Andrew King},
  journal={Physical review. B, Condensed matter},
  year={1987},
  volume={36 2},
  pages={1288-1291}
}