@misc{19876,
  author = {Petrina Potts},
  title = {NIST Time and Frequency Bulletin},
  year = {2014},
  month = {2014-02-03},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.7980-01},
  language = {en},
}