@article{10072,
  author = {F. Walls and Gordon Dunn},
  title = {Storing ions for collision studies},
  year = {1974},
  journal = {Physics Today},
  volume = {27},
  pages = {30},
  month = {Jan-01-1974},
  issn = {00319228},
  doi = {10.1063/1.3128803},
}