863 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "863" in English language version.

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3books.google.com

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1annalsofgeophysics.eu

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annalsofgeophysics.eu

Guidoboni, Emanuela; Traina, Giusto (1995), "A new catalogue of earthquakes in the historical Armenian area from antiquity to the 12th century", Annals of Geophysics, 38: 121–123, doi:10.4401/ag-4134

books.google.com

Kirby, D. P. (1991). The Earliest English Kings (Illustrated ed.). Unwin Hyman. p. 197. ISBN 978-0-04-445692-6.
Levathes, Louise (1994). When China Ruled The Seas: The Treasure Fleet Of The Dragon Throne 1405-1433 (Illustrated ed.). Simon & Schuster. p. 38. ISBN 0-671-70158-4.
Barford, Paul M. (2001). The Early Slavs: Culture and Society in Early Medieval Eastern Europe (Illustrated ed.). Cornell University Press. pp. 109–110. ISBN 978-0-8014-3977-3.

doi.org

doi.org

Guidoboni, Emanuela; Traina, Giusto (1995), "A new catalogue of earthquakes in the historical Armenian area from antiquity to the 12th century", Annals of Geophysics, 38: 121–123, doi:10.4401/ag-4134

dx.doi.org

Eustache, D. (1971). "Idrīsids". In Lewis, B.; Ménage, V. L.; Pellat, Ch. & Schacht, J. (eds.). The Encyclopaedia of Islam, Second Edition. Volume III: H–Iram. Leiden: E. J. Brill. pp. 1035–1037. OCLC 495469525.

worldcat.org

Eustache, D. (1971). "Idrīsids". In Lewis, B.; Ménage, V. L.; Pellat, Ch. & Schacht, J. (eds.). The Encyclopaedia of Islam, Second Edition. Volume III: H–Iram. Leiden: E. J. Brill. pp. 1035–1037. OCLC 495469525.