@conference{144501,
  author = {David Penn},
  title = {Spin Polarized Metastable Atom He De-excitation, Theory,},
  year = {1991},
  number = {24},
  month = {1991-01-01},
  publisher = {11th European Conference on Surface Science , Revista Colombiana de Fisica, SP},
  language = {en},
}