@article{5452,
  author = {J. Cirac and Peter Zoller},
  title = {Preparation of macroscopic superpositions in many-atom systems},
  year = {1994},
  journal = {Physical Review A},
  volume = {50},
  pages = {R2799 - R2802},
  month = {Jan-10-1994},
  issn = {1050-2947},
  doi = {10.1103/PhysRevA.50.R2799},
}