@article{9563,
  author = {D. Crandall and G. York and V. Pol and J. Park},
  title = {Collisional Excitation of N+ at 50 keV},
  year = {1972},
  journal = {Physical Review Letters},
  volume = {28},
  pages = {397-400},
  month = {Jan-02-1972},
  issn = {0031-9007},
  url = {http://link.aps.org/doi/10.1103/PhysRevLett.28.397},
  doi = {10.1103/PhysRevLett.28.397},
}