@article{8889,
  author = {N. Andersen and J. Gallagher and I. Hertel},
  title = {Collisional alignment and orientation of atomic outer shells I. Direct excitation by electron and atom impact},
  year = {1988},
  journal = {Physics Reports},
  volume = {165},
  pages = {1-188},
  month = {Jan-07-1988},
  issn = {03701573},
  url = {http://linkinghub.elsevier.com/retrieve/pii/0370157388901512},
  doi = {10.1016/0370-1573(88)90151-2},
}