Coblenz, Werner. 1975. “The Socio-Economic Development of the Slavs from the 6th Century to the End of the 9th Century. International Symposium, Mikulčice 1974”. EAZ – Ethnographisch-Archaeologische Zeitschrift 16 (4):691-93. https://doi.org/10.54799/MWAX3579.