Unitat bàsica del Sistema Internacional (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Unitat bàsica del Sistema Internacional" in Catalan language version.

refsWebsite

Global rank Catalan rank

641^st place

182^nd place

538^th place

255^th place

6^th place

29^th place

355^th place

261^st place

archive.org

The International Bureau of Weights and Measures 1875–1975: NBS Special Publication 420. Washington, D.C.: National Bureau of Standards, 1975-05-20, p. 238–244.

bipm.org

Oficina Internacional de Pesos i Mesures. The International System of Units (SI) (en anglès). 8a ed., 2006. ISBN 92-822-2213-6.
«The International System of Units (SI)». Bureau international des poids et mesures. [Consulta: 11 maig 2020].

iupac.org

old.iupac.org

Quantities Units and Symbols in Physical Chemistry, IUPAC

nist.gov

Materese, Robin «Historic Vote Ties Kilogram and Other Units to Natural Constants». NIST, 16-11-2018.