Mohr, P.
, Tiesinga, E.
, Newell, D.
and Taylor, B.
(2024),
Codata Internationally Recommended 2022 Values of the Fundamental Physical Constants, Codata Internationally Recommended 2022 Values of the Fundamental Physical Constants, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=958002, https://physics.nist.gov/constants
(Accessed December 3, 2024)