@article{5190,
  author = {D. Smithey and M. Beck and John Cooper and M. Raymer},
  title = {Measurement of number-phase uncertainty relations of optical fields},
  year = {1993},
  journal = {Physical Review A},
  volume = {48},
  pages = {3159-3167},
  month = {Jan-10-1993},
  issn = {1050-2947},
  doi = {10.1103/PhysRevA.48.3159},
}