@article{3799,
  author = {Judah Levine},
  title = {The history of time and frequency from antiquity to the present day},
  year = {2016},
  journal = {The European Physical Journal H},
  month = {2016-03},
  issn = {2102-6459},
  url = {http://link.springer.com/10.1140/epjh/e2016-70004-3},
  doi = {10.1140/epjh/e2016-70004-3},
}