Metro

An metró amo an usa ka yano nga sukol han kahilabaan ha sistema metriko ha Kanasodnon Sistema han mga Panukol o SI (tikang ha Frinanses nga le Système international d'unités.

Mga kasarigan

Mga reperensya
 17th General Conference on Weights and Measures. (1983). Resolution 1. International Bureau of Weights and Measures.
 Astin, A. V. & Karo, H. Arnold, (1959), Refinement of values for the yard and the pound, Washington DC: National Bureau of Standards, republished on  National Geodetic Survey web site and the Federal Register (Doc. 59-5442, Filed, 30 Hunyo 1959, 8:45 a.m.)
 Barbrow, Louis E. & Judson, Lewis V. (1976). Weights and Measures Standards of the United States: A brief history  (Special Publication 447).. National Institute of Standards and Technology.
 Beers, J.S. & Penzes, W. B. (1992). NIST Length Scale Interferometer Measurement Assurance. (NISTIR 4998). National Institute of Standards and Technology.
 
 HTML version. Retrieved 24 Agosto 2008.
 Bureau International des Poids et Mesures. (n.d.). Resolutions of the CGPM  (search facility). Retrieved 3 Hunyo 2006.
 Bureau International des Poids et Mesures. (n.d.). The BIPM and the evolution of the definition of the metre . Retrieved 3 Hunyo 2006.
 Cardarelli, Francois (2003). Encydopaedia of scientific units, weights, and measures: their SI equivalences and origins, Springer-Verlag London Limited, ISBN 1-85233-682-X, page 5, table 2.1, data from Giacomo, P., Du platine a la lumiere, Bull. Bur. Nat. Metrologie, 102 (1995) 5–14.
 Humerfelt, Sigurd. (26 Oktubre 2010). How WGS 84 defines Earth . Retrieved 29 Abril 2011.
 Layer, H.P. (2008). Length—Evolution from Measurement Standard to a Fundamental Constant . Gaithersburg, MD: National Institute of Standards and Technology. Retrieved 18 Agosto 2008. 
 Mohr, P., Taylor, B.N., and David B. Newell, D. (28 Disyembre 2007). CODATA Recommended Values of the Fundamental Physical Constants: 2006. Gaithersburg, MD: National Institute of Standards and Technology. Retrieved 18 Agosto 2008.
 National Institute of Standards and Technology. (December 2003). The NIST Reference on Constants, Units, and Uncertainty: International System of Units (SI) (web site):
 SI base units. Retrieved 18 Agosto 2008.
 Definitions of the SI base units. Retrieved 18 Agosto 2008.
 Historical context of the SI: Meter. Retrieved 26 Mayo 2010.
 National Institute of Standards and Technology. (27 Hunyo 2011). NIST-F1 Cesium Fountain Atomic Clock. Author.
 National Physical Laboratory. (25 Marso 2010). Iodine-Stabilised Lasers. Author.
 National Research Council Canada. (5 Pebrero 2010). Maintaining the SI unit of length. Retrieved 4 Disyembre 2010.
 Penzes, W. (29 Disyembre 2005). Time Line for the Definition of the Meter . Gaithersburg, MD: National Institute of Standards and TechnologyPrecision Engineering Division. Retrieved 4 Disyembre 2010.
 Taylor, B.N. and Thompson, A. (Eds.). (2008a). The International System of Units (SI) . United States version of the English text of the eighth edition (2006) of the International Bureau of Weights and Measures publication Le Système International d’ Unités (SI) (Special Publication 330). Gaithersburg, MD: National Institute of Standards and Technology. Retrieved 18 Agosto 2008.
 Taylor, B.N. and Thompson, A. (2008b). Guide for the Use of the International System of Units (Special Publication 811). Gaithersburg, MD: National Institute of Standards and Technology. Retrieved 23 Agosto 2008.
 Tibo Qorl. (2005) The History of the Meter (Translated by Sibille Rouzaud). Retrieved 18 Agosto 2008.
 Turner, J. (Deputy Director of the National Institute of Standards and Technology). (16 Mayo 2008)."Interpretation of the International System of Units (the Metric System of Measurement) for the United States". Federal Register Vol. 73, No. 96, p.28432-3.
 Wilkins, J. (c. 2007). An essay towards a real character, and a philosophical language.[Also available without images of original .] Metrication Matters. (Reprinted from title page and pp. 190–194 of original, 1668, London: Royal Society)
 Zagar, B.G. (1999). Laser interferometer displacement sensors in J.G. Webster (ed.). The Measurement, Instrumentation, and Sensors Handbook. CRC Press. isbn=0-8493-8347-1.

Padugang nga barasahon

 Alder, Ken. (2002). The Measure of All Things : The Seven-Year Odyssey and Hidden Error That Transformed the World. Free Press, New York  ISBN 0-7432-1675-X