@article{10575,
  author = {A. Zajonc and Gabriel Weinreich and John Pearl and J. Zorn},
  title = {Differential cross section for electron impact excitation of metastable helium},
  year = {1978},
  journal = {Physical Review A},
  volume = {18},
  pages = {1408-1414},
  month = {Jan-10-1978},
  issn = {0556-2791},
  url = {http://link.aps.org/doi/10.1103/PhysRevA.18.1408},
  doi = {10.1103/PhysRevA.18.1408},
}