== References ==== Sources ==*Curta, Florin: "The Making of the Slavs: History and Archaeology of the Lower Danube Region c. 500-700"; Cambridge University Press, 2001, Cambridge&New York; ISBN 978-0-521-03615-3
* Curta, Florin: "The Making of the Slavs: History and Archaeology of the Lower Danube Region c. 500—700"; Cambridge University Press, 2001, Cambridge&New York; ISBN 978-0-521-03615-3