@misc{50496,
  author = {Carol Hockert and Henry Oppermann},
  title = {Weights and Measures Program Requirements: A Handbook for the Weights and Measures Administrator (Handbook 155-2011)},
  year = {2011},
  month = {2011-03-10},
  publisher = {Handbook (NIST HB), National Institute of Standards and Technology, Gaithersburg, MD},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=907504},
  language = {en},
}