Crown, L.
, Butcher, T.
and Cook, S.
(2008),
NIST Handbook 44: Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices (2009 Ed.), Handbook (NIST HB), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=200369
(Accessed November 25, 2025)