அணுக் கடிகாரம் (Tamil Wikipedia)

Analysis of information sources in references of the Wikipedia article "அணுக் கடிகாரம்" in Tamil language version.

refsWebsite

Global rank Tamil rank

2books.google.com

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books.google.com

Maxwell, James Clerk (1873). A Treatise on Electricity and Magnetism. Vol. 1. Oxford: Clareendon Press.
Thomson, William; Tait, Peter Guthrie (1879). Treatise on Natural Philosophy. Vol. 1, part 1 (2nd ed.). Cambridge, England: Cambridge University Press. p. 227.

nist.gov

tf.nist.gov

M.A. Lombardi; T.P. Heavner; S.R. Jefferts (2007). "NIST Primary Frequency Standards and the Realization of the SI Second". Journal of Measurement Science 2 (4): 74. http://tf.nist.gov/general/pdf/2039.pdf.