@article{5028,
  author = {M. Weiss and D. Allan and D. Davis and Judah Levine},
  title = {Smart clock: a new time},
  year = {1992},
  journal = {IEEE Transactions on Instrumentation and Measurement},
  volume = {41},
  pages = {915-918},
  month = {Dec-31-1969},
  issn = {00189456},
  doi = {10.1109/19.199433},
}