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). *[http://www.nist.gov/pml/pubs/sp447/index.cfm 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). *[http://home.online.no/~sigurdhu/WGS84_Eng.html 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). *[http://www.nist.gov/pml/div688/grp50/primary-frequency-standards.cfm NIST-F1 Cesium Fountain Atomic Clock]*. Author.
* National Physical Laboratory. (25 Marso 2010). *[http://www.npl.co.uk/science-technology/time-frequency/optical-frequency-standards-and-metrology/research/iodine-stabilised-lasers 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.&nbsp;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.
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## 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