813 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "813" in English language version.

refsWebsite

Global rank English rank

1books.google.com

3^rd place

3^rd place

1promacedonia.com

low place

low place

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20^th place

books.google.com

Fine, John V. A. Jr. (1991) [1983]. The Early Medieval Balkans: A Critical Survey from the Sixth to the Late Twelfth Century. Ann Arbor: University of Michigan Press. ISBN 0-472-08149-7.

doi.org

Owen Gingerich (1986). "Islamic Astronomy". Scientific American. 254 (4): 74–83. Bibcode:1986SciAm.254d..74G. doi:10.1038/scientificamerican0486-74. JSTOR 24975932.

harvard.edu

ui.adsabs.harvard.edu

Owen Gingerich (1986). "Islamic Astronomy". Scientific American. 254 (4): 74–83. Bibcode:1986SciAm.254d..74G. doi:10.1038/scientificamerican0486-74. JSTOR 24975932.

jstor.org

Owen Gingerich (1986). "Islamic Astronomy". Scientific American. 254 (4): 74–83. Bibcode:1986SciAm.254d..74G. doi:10.1038/scientificamerican0486-74. JSTOR 24975932.

promacedonia.com

Runciman, pp. 64–65^{[permanent dead link‍]}.