@article{893556,
  author = {Dietrich Leibfried and Matthew Barrett and T Schaetz and Joseph Britton and B Chiaverini and Wayne Itano and John Jost and C. Langer and David Wineland},
  title = {An Error-Resistant Methos for Heisenberg-Limited Spectroscopy Using Generalized GHZ States},
  year = {2008},
  month = {2008-10-16 14:10:10},
  publisher = {Science},
  language = {en},
}