@book{779,
  author = {Judah Levine and M. Lombardi and A. Novick},
  title = {NIST Computer Time Services: Internet Time Service (ITS), Automated Computer Time Service (ACTS), and time.gov Web Sites},
  year = {2002},
  pages = {84},
  month = {2002-05},
  publisher = {National Institute of Standards and Technology},
  address = {Washington, DC},
  url = {http://www.nist.gov/calibrations/upload/sp250-59.pdf},
}