@article{10598,
  author = {Michael Morrison and L. Collins},
  title = {Exchange in low-energy electron-molecule scattering: Free-electron-gas model exchange potentials and applications to e-H2 and e-N2 collisions},
  year = {1978},
  journal = {Physical Review A},
  volume = {17},
  pages = {918-938},
  month = {Jan-03-1978},
  issn = {0556-2791},
  url = {http://link.aps.org/doi/10.1103/PhysRevA.17.918},
  doi = {10.1103/PhysRevA.17.918},
}