@article{7518,
  author = {Y.-K. Kim},
  title = {Angular and energy distributions of secondary electrons from helium. Slow electrons ejected by electron impact},
  year = {1983},
  journal = {Physical Review A},
  volume = {28},
  pages = {656-666},
  month = {Jan-08-1983},
  issn = {0556-2791},
  url = {http://link.aps.org/doi/10.1103/PhysRevA.28.656},
  doi = {10.1103/PhysRevA.28.656},
}