References

ISO80000

ISO 80000-1:2009(E) "Quantities and units — Part 1: General", International Organization for Standardization.

Quincey

"Angles in the SI: a detailed proposal for solving the problem, Quincey, Paul (1 October 2021).

SIBrochure

The International System of Units (SI), International Bureau of Weights and Measures (20 May 2019), ISBN 978-92-822-2272-0.