@misc{1200446,
  author = {Karen L. Hansen Lichtfuss},
  title = {NIST Time and Frequency Bulletin: July 2016:},
  year = {2016},
  month = {2016-07-01 04:07:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.8104-07},
  language = {en},
}