Source record / 2019
The International System of Units (SI), 2019 Edition
David B. Newell and Eite Tiesinga, editors
Reference
Publication
NIST Special Publication 330 · 2019
Why it is in this atlas
Official units reference for reproducible quantitative comparisons.
Citation identity and relevance checked 2026-10-18. Check the original version and supplementary material before using a result. Inclusion does not imply endorsement by the authors.