@article{9464,
  author = {W. Peterson and C. Opal and Earl Beaty},
  title = {Energy distributions of electrons ejected in ionizing collisions of electrons with helium},
  year = {1971},
  journal = {Journal of Physics B: Atomic and Molecular Physics},
  volume = {4},
  pages = {1020-1025},
  month = {Jan-08-1971},
  issn = {0022-3700},
  doi = {10.1088/0022-3700/4/8/006},
}