@article{4056,
  author = {John Bollinger and Wayne Itano and David Wineland and D Heinzen},
  title = {Optimal Frequency Measurements with Maximally Correlated States},
  year = {1996},
  number = {54},
  month = {1996-12-01},
  publisher = {Physical Review Letters},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=104859},
  language = {en},
}