@article{254042,
      author = {Audoin, Claude, and Guinot, Bernard.},
      url = {http://library.usi.edu/record/254042},
      title = {The measurement of time : time, frequency, and the atomic  clock /},
      publisher = {Cambridge University Press,},
      recid = {254042},
      pages = {ix, 335 p. :},
      address = {Cambridge ;},
      year = {2001},
}