Clisura (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Clisura" in Portuguese language version.

refsWebsite

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1books.google.com

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books.google.com

Kazhdan, Alexander Petrovich (1991). The Oxford Dictionary of Byzantium. New York, New York and Oxford, United Kingdom: Oxford University Press. p. 1132. ISBN 978-0-19-504652-6

doi.org

dx.doi.org

Glykatzi-Ahrweiler, Hélène (1960). «Recherches sur l'administration de l'empire byzantin aux IX-XIème siècles». Bulletin de correspondance hellénique (em francês). 84 1 ed. p. 1–111. doi:10.3406/bch.1960.1551