Pèndol de segons (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pèndol de segons" in Catalan language version.

refsWebsite

Global rank Catalan rank

low place

low place

355^th place

261^st place

1web.archive.org

1^st place

1^st place

infn.it

roma1.infn.it

Seconds pendulum

nist.gov

nvl.nist.gov

Cochrane, Rexmond. «Appendix B: The metric system in the United States». A: Measures for progress: a history of the National Bureau of Standards. U.S. Department of Commerce, 1966, p. 532 [Consulta: 21 maig 2018]. Arxivat 2011-04-27 a Wayback Machine.

web.archive.org

Cochrane, Rexmond. «Appendix B: The metric system in the United States». A: Measures for progress: a history of the National Bureau of Standards. U.S. Department of Commerce, 1966, p. 532 [Consulta: 21 maig 2018]. Arxivat 2011-04-27 a Wayback Machine.