@article{5344,
  author = {P. Storey and Tycho Sleator and M. Collett and D. Walls},
  title = {Contractive states of a free atom},
  year = {1994},
  journal = {Physical Review A},
  volume = {49},
  pages = {2322-2328},
  month = {Jan-04-1994},
  issn = {1050-2947},
  url = {http://link.aps.org/doi/10.1103/PhysRevA.49.2322},
  doi = {10.1103/PhysRevA.49.2322},
}