@article{9320,
  author = {G. Chamberlain and S. Mielczarek and C. Kuyatt},
  title = {Absolute Measurement of Differential Cross Sections for Electron Scattering in Helium},
  year = {1970},
  journal = {Physical Review A},
  volume = {2},
  pages = {1905-1922},
  month = {Jan-11-1970},
  issn = {0556-2791},
  url = {http://link.aps.org/doi/10.1103/PhysRevA.2.1905},
  doi = {10.1103/PhysRevA.2.1905},
}