இரட்டை வில்லை (Tamil Wikipedia)

Analysis of information sources in references of the Wikipedia article "இரட்டை வில்லை" in Tamil language version.

refsWebsite

Global rank Tamil rank

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39^th place

2^nd place

4^th place

4^th place

5^th place

1books.google.com

3^rd place

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books.google.com (Global: 3^rd place; Tamil: 6^th place)

Fred A. Carson, Basic optics and optical instruments, page 4-32

doi.org (Global: 2^nd place; Tamil: 4^th place)

Clarkson, E. N. K.; Levi-Setti, R. L. (1975), "Trilobite eyes and the optics of Descartes and Huygens", Nature, 254 (5502): 663–7, Bibcode:1975Natur.254..663C, doi:10.1038/254663a0, PMID 1091864

harvard.edu (Global: 18^th place; Tamil: 39^th place)

ui.adsabs.harvard.edu

Clarkson, E. N. K.; Levi-Setti, R. L. (1975), "Trilobite eyes and the optics of Descartes and Huygens", Nature, 254 (5502): 663–7, Bibcode:1975Natur.254..663C, doi:10.1038/254663a0, PMID 1091864

nih.gov (Global: 4^th place; Tamil: 5^th place)

pubmed.ncbi.nlm.nih.gov

Clarkson, E. N. K.; Levi-Setti, R. L. (1975), "Trilobite eyes and the optics of Descartes and Huygens", Nature, 254 (5502): 663–7, Bibcode:1975Natur.254..663C, doi:10.1038/254663a0, PMID 1091864