@article{8760,
  author = {K. Scheibner and J. Weisheit and N. Lane},
  title = {Plasma screening effects on proton-impact excitation of positive ions},
  year = {1987},
  journal = {Physical Review A},
  volume = {35},
  pages = {1252-1268},
  month = {Jan-02-1987},
  issn = {0556-2791},
  url = {http://link.aps.org/doi/10.1103/PhysRevA.35.1252},
  doi = {10.1103/PhysRevA.35.1252},
}