Lee, V.
and Kubarych, Z.
(2008),
Constant Pressure and Vacuum Transporter for 1 kg Mass Standards, NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=823004
(Accessed December 8, 2024)